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Minecraft:Trial Chambers: Difference between revisions

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Sync: updated from Minecraft
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* 2 [[Minecraft:bone block]]s
* 2 [[Minecraft:bone block]]s
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Additionally, chickens can also appear in trial chambers in two different ways.
* In {{JE}}, baby zombies or baby husks that spawn have a 5% chance to spawn as a [[Minecraft:chicken jockey]].
* Naturally generated dispensers can contain eggs and breezes can unintentionally power a button or pressure plate, activating the dispenser to fire the eggs, which have an 1/8 chance to spawn a chick.


== Loot ==
== Loot ==

Revision as of 11:20, 20 May 2026

Template:Distinguish Template:Infobox structure Template:Relevant tutorial Trial chambersTemplate:Note are uncommon underground Minecraft:structures that serve as a mid-game combat challenge.<ref>Template:Mcnet</ref> They consist mostly of Minecraft:copper blocks and Minecraft:tuff bricks, and are the only place where Minecraft:trial spawners and Minecraft:vaults naturally generate. Trial chambers are also the only place where Minecraft:breezes spawn, whose Minecraft:breeze rods can be used to craft Minecraft:wind charges. Various materials such as Minecraft:heavy cores and certain Minecraft:armor trims are obtained exclusively by unlocking vaults in trial chambers. As it is the only source of breeze rods and heavy cores, the structure is also the location where Minecraft:maces are obtained.

Minecraft:Ominous trials can also take place here through Minecraft:Bad Omen, where Minecraft:Trial Omen causes all trial spawners to become ominous, making them more difficult and providing greater rewards.

Generation

Trial chambers generate underground in the Minecraft:Overworld. The starting room generates at an Minecraft:altitude of between Y=-40 and -20, but the structure is not restricted to those Y levels; the majority of the structure's rooms tend to generate between Y=-20 and 0.Template:Verify

Trial chambers can only generate in new chunks, specifically ones that did not exist prior to Java Edition 1.21 and Bedrock Edition 1.21.0.

The generation of trial chambers follows a grid of 34×34 Minecraft:chunk regions centered on the world origin (X=0, Z=0). There is always one trial chambers structure generated in each region at a random location, unless a deep dark biome cancels the generation of the trial chambers.

While the origin point of the structure (Template:Code) cannot generate within a deep dark biome, other parts of it can intersect a deep dark biome.

Template:Calculator

Locating

Trial chambers can be located using Minecraft:trial explorer maps, which are sold by journeyman-level Minecraft:cartographer villagers for 12 Minecraft:emeralds and a Minecraft:compass. The maps always point to the nearest trial chamber relative to the cartographer that does not already have a trial explorer map that points to it. All maps bought from the same cartographer always points to the same structure.

Template:IN, a given villager always trades the same map, which is determined upon the trade unlocking.

An online seed map such as mcseedmap.net or chunkbase.com may be used instead.

Structure

Template:Main

File:Trial Chambers layout.png
Overhead view of a typical trial chamber layout.

The starting room of the structure is Template:Cd. This room connects to a chamber and a section of a corridor. At the end of the section of a corridor, an intersection links to another chamber and another section of a corridor is generated, but this time it ends on the atrium, which then leads to the entrance room.

The structure then branches out from some Template:Cd pieces.

File structure

All trial chambers structures found below are located in the folder Minecraft:client.jar/data/minecraft/structure/trial_chambersTemplate:Only or data/behavior_packs/vanilla/structures/trial_chambersTemplate:Only.

Blocks

Template:Columns-list

Components

Corridors

File:Trial Chambers corridor diagram.svg
A diagram depicting every piece that constitutes a corridor.

Trial chambers feature two corridors:

  • a corridor going from the entrance room to the intersection, passing through four slices and the atrium;
  • a corridor going from the intersection to the end room, passing through four slices.

The intersection connects both corridors, forming an L-shape. The intersection and the end room always lead to a chamber, while slices have a probability to lead to a hallway (see Template:Slink).

Entrance
File:Trial Chamber entrance doorway.png
The doorway found in all entrance rooms.

The entrance generates at the end of one of the two corridors.

entrance_1 and entrance_2 include a Minecraft:vault, two entrance chests, and a platform containing either an Minecraft:oak, a Minecraft:mangrove, or a Minecraft:cactus; additionally, entrance_1 has a secret room containing a bed and a chest.

entrance_3 includes two vaults and three entrance chests.

Cactus= File:Trial Chambers entrance 1 (cactus).png Mangrove= File:Trial Chambers entrance 1 (mangrove).png Secret= File:Trial Chambers entrance 1 (secret).png </tabber> Cactus= File:Trial Chambers entrance 2 (cactus).png Mangrove= File:Trial Chambers entrance 2 (mangrove).png </tabber>
Name Description Blocks Image Weight
trial_chambers/corridor/entrance_1 Entrance 1 is a two-story room.

The first floor features a walkway, above which is a copper grate that leading to a hidden room containing a bed and a chest. A staircase leads to the second floor.

The second floor contains a platform with a tree (either an oak, a mangrove or cactus) and two chests. Between the two chests, right next to the vegetation platform, is a trapdoor leading into a ventilation-shaft-like tunnel. This tunnel connects both floors. The second floor also features an upper ledge with a vault.

Template:Frac (33.33%)
trial_chambers/corridor/entrance_2 Entrance 2 is a two-story room.

The first floor is empty. A staircase leads to the second floor.

The second floor contains a platform with a tree (either an oak, a mangrove or cactus) and two chests. It also features an upper ledge with a vault.

Template:Frac (33.33%)
trial_chambers/corridor/entrance_3 Entrance 3 is a five-story room with two spiral staircases that intertwine with one another but never connect; each staircase leads to separate sections of each floor, preventing traversal between them even on the same level.

The first spiral staircase goes from the first floor to the last floor. The first floor features two chests and the third floor a third chest, while other sections of floors connected by the first spiral staircase are empty.

The second spiral staircase goes from the second floor to the last floor. The fourth and fifth floor both feature a vault.

File:Trial Chambers entrance 3.png Template:Frac (33.33%)
trial_chambers/corridor/addon/display_1 These substructures are the trees that can generate in entrance_1 and entrance_2. File:Trial Chambers display 1.png Template:Frac (33.33%)
trial_chambers/corridor/addon/display_2 File:Trial Chambers display 2.png Template:Frac (33.33%)
trial_chambers/corridor/addon/display_3 File:Trial Chambers display 3.png Template:Frac (33.33%)
Atrium
File:Trial chamber fountain room.jpeg
An atrium viewed from the ground, with a mural depicting a spiral shape in the background.

The atrium generates between the entrance and the slices. It always contains an Minecraft:ominous vault above the doorway leading to the entrance and a fountain.

Murals are generated on both sides; they can depict either a Minecraft:bogged, a Minecraft:breeze, a Minecraft:spider, or a spiral shape. The grand staircase is also chosen randomly.

2= File:Trial Chambers atrium 1 (2).png 3= File:Trial Chambers atrium 1 (3).png </tabber>
Name Description Blocks Image Weight
trial_chambers/corridor/atrium_1 Atrium 1 is a large room featuring a grand bifurcated staircase, a foutain, two murals and ladders connecting the the surface level to the lower, middle and upper level of the corridor.

The grand staircase design and the murals are chosen randomly.

Template:Frac (100%)
trial_chambers/corridor/atrium/grand_staircase_1 The grand staircase designs. File:Trial Chambers grand staircase 1.png Template:Frac (33.33%)
trial_chambers/corridor/atrium/grand_staircase_2 File:Trial Chambers grand staircase 2.png Template:Frac (33.33%)
trial_chambers/corridor/atrium/grand_staircase_3 File:Trial Chambers grand staircase 3.png Template:Frac (33.33%)
trial_chambers/corridor/atrium/bogged_relief The mural designs. They are respectively depicting a Minecraft:bogged, a Minecraft:breeze, a Minecraft:spider, and a spiral shape. File:Trial Chambers bogged relief.png Template:Frac (25%)
trial_chambers/corridor/atrium/breeze_relief File:Trial Chambers breeze relief.png Template:Frac (25%)
trial_chambers/corridor/atrium/spider_relief File:Trial Chambers spider relief.png Template:Frac (25%)
trial_chambers/corridor/atrium/spiral_relief File:Trial Chambers spiral relief.png Template:Frac (25%)
Slices
File:Example Hall.png
A door leading from a corridor to a hallway.
File:Trial Chambers Corridor Pots Screenshot.png
A corridor viewed from the ground.

Corridor slices, or straight pieces,Template:Note are sub-structures that make up the corridors; they are generated on top of a tuff brick plate. Each of the two corridors has four slices.

Except for straight_1 and straight_8, all slices have a copper door:

  • straight_2 and straight_5 generate a copper door on the lower level;
  • straight_3 and straight_6 generate a copper door on the middle level;
  • straight_4 and straight_7 generate a copper door on the upper level.

On average, each trial chamber has 6,29 (Template:Frac) doors. These copper doors can either lead directly to a chamber, a hallway or nothing.<ref name="deadend">Template:Bug</ref> Provided the latter case doesn't happen:

  • lower level doors always lead to a descending spiral staircase (lower_hallway_connector);
  • upper level doors always lead to an ascending spiral staircase (upper_hallway_connector);
  • middle level doors and these spiral staircases have a 97.48% chance to directly lead to a chamber, 2.44% chance to lead to a hallway piece, and 0.08% chance to directly lead to a dead-end (see Template:Slink).

Both straight_6 and straight_8 generate with a Minecraft:trial spawner that can either spawn a melee, small melee or ranged mob (see Template:Slink), but never Minecraft:breezes. straight_7 generates with a hidden Minecraft:vault.

In addition to their addons, slices can generate with various decorations such as Minecraft:flower pots, Minecraft:decorated pots, Minecraft:candles and corridor Minecraft:barrels (see Template:Slink). Some addons can generate with a trial spawner (that can either spawn a melee, small melee or ranged mob) and a vault.

Name Description Blocks Image Weight
trial_chambers/corridor/straight_1 straight_1 does not generate with a copper door. File:Trial Chambers straight 1.png Template:Frac (7.14%)
trial_chambers/corridor/straight_2 straight_2 generates with a copper door on the lower level. File:Trial Chambers straight 2.png Template:Frac (14.28%)
trial_chambers/corridor/straight_3 straight_3 generates with a copper door on the middle level.

Additionally, one of its upper level sides is blocked by a wall.

File:Trial Chambers straight 3.png Template:Frac (14.28%)
trial_chambers/corridor/straight_4 straight_4 generates with a copper door on the upper level. File:Trial Chambers straight 4.png Template:Frac (14.28%)
trial_chambers/corridor/straight_5 straight_5 generates with a copper door on the lower level. File:Trial Chambers straight 5.png Template:Frac (14.28%)
trial_chambers/corridor/straight_6 straight_6 generates with a copper door on the middle level and a trial spawner on the lower level. File:Trial Chambers straight 6.png Template:Frac (14.28%)
trial_chambers/corridor/straight_7 straight_7 generates with a copper door on the upper level.

Additionally, one of its upper level sides is blocked by a wall in which a vault is hidden.

File:Trial Chambers straight 7.png Template:Frac (7.14%)
trial_chambers/corridor/straight_8 straight_8 does not generate with a copper door but generates with a trial spawner on the middle level. File:Trial Chambers straight 8.png Template:Frac (14.28%)
trial_chambers/corridor/first_plate
trial_chambers/corridor/second_plate
This substructure is a technical piece. It serves as the foundation for the 4 slices of the corridor. File:Trial Chambers plate.png Template:Frac (100%)
trial_chambers/corridor/addon/staircase This addon is a staircase connecting the surface level to the lower level. File:Trial Chambers staircase.png Template:Frac (7.14%)
trial_chambers/corridor/addon/wall This addon is a wall blocking off the surface level. File:Trial Chambers wall.png Template:Frac (7.14%)
trial_chambers/corridor/addon/ladder_to_middle This addon is a ladder linking the lower level to the middle level. File:Trial Chambers ladder to middle.png Template:Frac (7.14%)
trial_chambers/corridor/addon/arrow_dispenser This addon is a Minecraft:dispenser trap that can be triggered with Minecraft:tripwire hooks. The dispenser contains between 4 and 8 Minecraft:arrows. File:Trial Chambers arrow-dispenser.png Template:Frac (7.14%)
minecraft:trial_chambers/corridor/addon/bridge_lower This addon is a bridge linking the two sides of the slice on the lower level and linked to the surface level. File:Trial Chambers bridge lower.png Template:Frac (9.09%)
trial_chambers/corridor/addon/open_walkway This addon is a copper grate walway linking the two sides of the slice on the middle level. File:Trial Chambers open walkway.png Template:Frac (18.18%)
trial_chambers/corridor/addon/walled_walkway This addon is a walkway linking the two sides of the slice on the middle level, with its sides blocked by walls. It generates with a trial spawner. File:Trial Chambers walled walkway.png Template:Frac (33.33%)
trial_chambers/corridor/addon/open_walkway_upper This addon is a copper grate walkway linking the two sides of the slice on the upper level. File:Trial Chambers open walkway upper.png Template:Frac (16.67%)
trial_chambers/corridor/addon/chandelier_upper This addon is a decoration that may generation on the upper level. File:Trial Chambers chandelier upper.png Template:Frac (8.33%)
trial_chambers/corridor/addon/decoration_upper This addon is a copper grate platform linking the two sides of the slice on the upper level. File:Trial Chambers decoration upper.png Template:Frac (8.33%)
trial_chambers/corridor/addon/head_upper This addon is a decoration that may generation on the upper level. File:Trial Chambers head upper.png Template:Frac (8.33%)
trial_chambers/corridor/addon/reward_upper This addon is a copper grate platform linking the two sides of the slice on the upper level. It generates with a vault. File:Trial Chambers reward upper.png Template:Frac (8.33%)
End

The end room generates at the end of one of the two corridors. It always leads to one of these chambers with equal probability:

  • chamber_1
  • eruption
  • assembly
  • slanted

End rooms cannot lead to any other chamber, i.e. it excludes:

  • chamber_2
  • pedestal
  • chamber_4
  • chamber_8

End rooms always include an Minecraft:ominous vault. In addition to its ominous vault, end_2 also features a regular Minecraft:vault and an intersection chest.

Name Description Blocks Image Weight
trial_chambers/corridor/end_1 End 1 is a large room with two staircases leading up to the chamber. The two staircases are separated by a wall on which an ominous vault is placed. File:Trial Chambers end 1.png Template:Frac (50%)
trial_chambers/corridor/end_2 End 2 is a large room with a staircase leading up to the chamber. The staircase goes through four pillars linked by a copper grate ring on which a vault is placed.

A shallow water pool generates on the lower level. It contains a chest and an ominous vault in a room sealed by copper grates bellow the bridge leading up to the chamber.

File:Trial Chambers end 2.png Template:Frac (50%)

Intersections

File:Trial Chamber Bedroom.png
A bedroom within an intersection.
File:Trial Chamber intersection 2 secret room.png
The secret room in intersection_2.

The intersection is the room that connects both corridors. It always features a safer zone equipped with Minecraft:beds as well as an entrance to a chamber. In addition to that:

Bedroom= File:Trial Chambers intersection 1 (bedroom).png </tabber> Secret= File:Trial Chambers intersection 2 (secret).png </tabber>
Name Description Blocks Image Weight
trial_chambers/intersection/intersection_1 Intersection 1 connects the two corridors by their upper levels. The two corridors and the chamber intersection 1 links to are connected by a bridge above a water a pool.

The bedroom in located in the middle of the water pool. An ominous vault is sealed by a wall next to the bedroom.

Template:Frac (33.33%)
trial_chambers/intersection/intersection_2 Intersection 2 connects the two corridors by their surface levels. The two corridors and the chamber intersection 2 links to are connected by a small atrium.

The bedroom in located on a mezzanine and contains a barrel. An ominous vault is placed on the staircase leading to the bedroom.

A secret chamber is hidden behind the wall at the back of the 2 beds on the left. The secret chamber contains a purple bed, a decorated pot containing 3 strings, a table, a Minecraft:crafting table, and a potted Minecraft:dead bush.

Template:Frac (33.33%)
trial_chambers/intersection/intersection_3 Intersection 3 is a tall vertical room. The top of the intersection connects through the second section of the corridor (i.e. the one leading to the entrance), while the bottom of it connects through the first section of the corridor (i.e. the one leading to the end room). The chamber intersection 3 links to is found at the bottom.

The center is filled up by a tall tower with three levels: the upper level connects to the second corridor, the middle level contains 3 beds and a barrel, and the lower level is a copper grate walkway leading to nothing.

Unlike the other two intersections, this intersection doesn't contain an ominous vault.

File:Trial Chambers intersection 3.png Template:Frac (33.33%)

Hallways

Template:Missing information

File:Trial Chamber hallway.png
A hallway viewed from the ground.

Hallways are segments that connect corridors to chambers. When a copper door generates in a corridor, it (or, in the case of an upper or lower door, the spiral staircase that follows it; see Template:Slink) may lead to one of the following pieces:

  • a chamber (97.48%);
  • a hallway segment (1.14%);
  • an encounter (0.41%);Template:Only
  • a dead end (0.08%).

If the selected piece cannot be generated, the game attempts to generate a different piece. After a certain number of failed attempts, it defaults to generating a dead end.Template:Info needed If the dead end itself cannot be generated, no piece is generated.<ref name="deadend"/>

This process is then repeated at the end of each hallway segment or encounter. Furthermore, hallways never branch, meaning that every copper door found in corridors eventually leads to a single chamber, a dead end, or nothing.

Name Description Blocks Image Weight
trial_chambers/hallway/cache_1 These pieces constitute the various trial chamber hallways. File:Trial Chambers cache 1.png Template:JEBE
trial_chambers/hallway/corridor_connector_1 File:Trial Chambers corridor connector 1.png Template:JEBE
trial_chambers/hallway/left_corner File:Trial Chambers left corner.png Template:JEBE
trial_chambers/hallway/right_corner Template:JEBE
trial_chambers/hallway/straight File:Trial Chambers straight.png Template:JEBE
trial_chambers/hallway/straight_staircase File:Trial Chambers straight staircase.png Template:JEBE
trial_chambers/hallway/straight_staircase_down Template:JEBE
trial_chambers/hallway/long_straight_staircase File:Trial Chambers long straight staircase.png Template:JEBE
trial_chambers/hallway/long_straight_staircase_down Template:JEBE
trial_chambers/hallway/corner_staircase File:Trial Chambers corner staircase.png Template:JEBE
trial_chambers/hallway/corner_staircase_down File:Trial Chambers corner staircase down.png Template:JEBE
trial_chambers/hallway/trapped_staircase File:Trial Chambers trapped staircase.png Template:JEBE
trial_chambers/hallway/upper_hallway_connector This pieces is always connected to a corridor upper level door (see Template:Slink). File:Trial Chambers upper hallway connector.png Template:JEBE
trial_chambers/hallway/lower_hallway_connector This pieces is always connected to a corridor lower level door (see Template:Slink). File:Trial Chambers lower hallway connector.png Template:JEBE
trial_chambers/hallway/rubble These pieces have a small chance of generating in hallways, stopping the hallway's expansion and acting as a dead end.

They also generate as fallback pieces: during the generation, after a certain number of failed attempts at generating other pieces, it defaults to generating a dead end. In that case, the weight is Template:Frac (25%) for all four pieces.

File:Trial Chambers rubble.png Template:JEBE
trial_chambers/hallway/rubble_chamber File:Trial Chambers rubble chamber.png Template:JEBE
trial_chambers/hallway/rubble_chamber_thin File:Trial Chambers rubble chamber thin.png Template:JEBE
trial_chambers/hallway/rubble_thin Template:JEBE
Encounters

Template:Exclusive Template:Message box

Encounters are hallway pieces that consist in "short challenges leading to a larger chamber".<ref>Template:Snap</ref> They feature a single trial spawner and a vault.

Name Description Blocks Image Weight
trial_chambers/hallway/encounter_1 Encounter 1 is a two-story room whose second floor has a vault and a trial spawner. The trial spawner can generate either melee, small melee or ranged mobs. File:Trial Chambers encounter 1.png Template:Frac (0.08%)
trial_chambers/hallway/encounter_2 Encounter 2 is a two-story room whose first floor has a vault and a breeze trial spawner. Dispensers may generate in the first floor walls. File:Trial Chambers encounter 2.png Template:Frac (0.08%)
trial_chambers/hallway/encounter_3 Encounter 3 is a tall vertical room whose first floor has a vault and which contains a trial spawner near the top. The trial spawner can generate either melee, small melee or ranged mobs. File:Trial Chambers encounter 3.png Template:Frac (0.08%)
trial_chambers/hallway/encounter_4 Encounter 4 is a tall vertical room whose first floor is filled with pointed dripstones and contains a vault. The top floor contains a trial spawner that generate slow ranged mobs and a dispenser trap. Players must cross the room by performing parkour on copper grates. File:Trial Chambers encounter 4.png Template:Frac (0.08%)
trial_chambers/hallway/encounter_5 Encounter 5 is a large room which contains a vault and a breeze trial spawner. The room is filled with decor and can generate dispenser in the walls. File:Trial Chambers encounter 5.png Template:Frac (0.08%)

Chambers

Template:Missing information

Chambers are large combat rooms that contain multiple trial spawners and vaults, as well as one ominous vault. Chambers can be accessed from hallways, intersections, end rooms, and corridor slices.

Each chamber design has several potential entrances, of which only one is connected to the rest of the structure. The remaining entrances are sealed with an entrance cap (see Template:Slink). Each potential entrance, including the sealed ones, generates a disposal consisting of a hopper placed above a barrel (see Template:Slink), allowing players to manage their inventory before entering a chamber.<ref name="disposal">Template:Tweet</ref>

Template:Vanchor and Template:Vanchor
File:Breeze room.jpeg
Chamber_1 viewed from the middle level entrance.
Name Description Blocks Image Weight
trial_chambers/chamber/chamber_1 Chamber_1 is a large room which has a tall column in its center. It has one potential entrance on each of its four faces; three on an upper level and one on a middle level.

It generates a breeze trial spawner as part of the column. Additionally, it and can generate up to two ranged trial spawners as part of walkways.

It tries to generate an ominous vault embedded in a wall near the bottom of the column,Template:Note and can generate up to two regular vaults as part of walkways.

In addition to its addons, dispensers may generate embedded in the walls.

File:Trial Chambers chamber 1.png Template:JEBE
trial_chambers/chamber/chamber_2 Chamber_2 is a large room which has a tall column in its center and a floor made of powder snow. It has one potential entrance on each of its four faces; three on an upper level and one on a middle level.

It generates a ranged trial spawner as part of the column. Additionally, it and can generate up to two ranged trial spawners as part of walkways.

It generates an ominous vault as part of the column, on its lower level, and can generate up to two regular vaults as part of walkways.

In addition to its addons, dispensers may generate embedded in the walls.

File:Trial Chambers chamber 2.png Template:JEBE
trial_chambers/chamber/addon/c1_breeze The column substructure is exclusive to chamber_1 as chamber_2's column is built-in.

It generated in the middle of the chamber, always features a breeze trial chamber on its middle level. It generated with a staircase connecting the lower level of the room to the middle level of the column.

On the upper level, the columns attempts to generate hanging platforms on all four sides. However, a hanging platform may fail to generate if the space is already occupied by an entrance piece.

File:Trial Chambers c1 breeze.png Template:Frac (100%)
trial_chambers/chamber/addon/lower_staircase_down File:Trial Chambers lower staircase down.png Template:Frac (100%)
trial_chambers/chamber/addon/full_stacked_walkway This sub-structure can generate attached to any entrance, except the one to the left of the ominous vault.

It acts as a walkway that features a ranged trial spawner.

File:Trial Chambers full stacked walkway.png Template:Frac (16.67%)
trial_chambers/chamber/addon/full_stacked_walkway_2 This sub-structure can generate attached to any entrance, except the one to the left of the ominous vault.

It acts as a walkway that features a ranged trial spawner and a vault.

File:Trial Chambers full stacked walkway 2.png Template:Frac (16.67%)
trial_chambers/chamber/addon/full_corner_column This sub-structure can generate attached to any entrance, except the one to the right of the ominous vault and the middle level one.

It generates hanging platforms directly in front of the entrance and to the left when entering the chamber.

File:Trial Chambers full corner column.png Template:Frac (16.67%)
trial_chambers/chamber/addon/grate_bridge This sub-structure can generate attached to any upper level entrance. It connects the entrance to the column. File:Trial Chambers grate bridge.png Template:Frac (16.67%)
trial_chambers/chamber/addon/short_platform This sub-structure can generate attached to any upper level entrance. It acts as a small overhang. File:Trial Chambers short platform.png Template:Frac (16.67%)
trial_chambers/chamber/addon/short_grate_platform This sub-structure acts similarly to short_platform, except it tries to generate hanging platforms on all three sides; a hanging platform may fail to generate if the space is already occupied by an entrance piece. File:Trial Chambers short grate platform.png Template:Frac (16.67%)
trial_chambers/chamber/addon/hanging_platform This sub-structure is a hanging platform that tries to generate when called by the full_corner_column or short_grate_platform sub-structures. File:Trial Chambers hanging platform.png Template:Frac (100%)
trial_chambers/chamber/addon/walkway_with_bridge_1 This pieces is an unused sub-structure. Despite existing within the template pool with a weight of Template:Frac, it cannot generate as it doesn't include any jigsaw block.

It includes a structure block in save mode.

File:Trial Chambers walkway with bridge 1.png
Template:Vanchor
File:Trial Chamber Pedestal room.png
Pedestal viewed from the upper level entrance.
Name Description Blocks Image Weight
trial_chambers/chamber/pedestal Pedestal is a large room with a large pedestal in its center. It has two potential entrances; one on its upper level and one on its lower level.

It generates with 8 slices, including an ominous one, and 4 quadrants.

File:Trial Chambers pedestal.png Template:JEBE
trial_chambers/chamber/pedestal/center_1 This center piece is a large pedestal with three trial spawners on top.

One of these trial spawners is a breeze trial spawner, and the two other can generate either melee, small melee or ranged mobs.

File:Trial Chambers Pedestal center 1.png Template:Frac (100%)
trial_chambers/chamber/pedestal/ominous_slice_1 This slice always generates opposite the upper potential entrance.

It contains an ominous vault on its upper floor.

File:Trial Chambers Pedestal ominous slice 1.png Template:Frac (100%)
trial_chambers/chamber/pedestal/slice_1 This slice can be attached to any wall.

It contains a vault on its upper floor.

File:Trial Chambers Pedestal slice 1.png Template:Frac (7.69%)
trial_chambers/chamber/pedestal/slice_2 This slice can be attached to any wall.

It contains a vault on its lower floor.

File:Trial Chambers Pedestal slice 2.png Template:Frac (23.08%)
trial_chambers/chamber/pedestal/slice_3 This slice can be attached to any wall.

It contains a vault on its upper floor.

File:Trial Chambers Pedestal slice 3.png Template:Frac (23.08%)
trial_chambers/chamber/pedestal/slice_4 This slice can be attached to any wall.

It contains a vault on its lower floor.

File:Trial Chambers Pedestal slice 4.png Template:Frac (23.08%)
trial_chambers/chamber/pedestal/slice_5 This slice can be attached to any wall.

It contains a vault on its upper floor.

File:Trial Chambers Pedestal slice 5.png Template:Frac (23.08%)
trial_chambers/chamber/pedestal/quadrant_1 These sub-structures theoretically generate in the corners of the chamber. However, due to a bug, the Pedestal chamber can only generate with the Slanted chamber's quadrants (see Template:Slink).<ref>Template:Bug</ref> File:Trial Chambers Pedestal quadrant 1.png Template:Frac (33.33%)
trial_chambers/chamber/pedestal/quadrant_2 File:Trial Chambers Pedestal quadrant 2.png Template:Frac (33.33%)
trial_chambers/chamber/pedestal/quadrant_3 File:Trial Chambers Pedestal quadrant 3.png Template:Frac (33.33%)
Template:Vanchor
Name Description Blocks Image Weight
trial_chambers/chamber/chamber_4 Chamber_4 is a small two-story room. It has three potential entrance; one on the lower level and two on the upper level.

It generates two small melee trial spawners, both on the upper level, and a vault on each level. An ominous vault is located between the two upper level potential entrances.

Chamber 4 does not come with addons nor generate dispensers in the walls. However, it may generate various decor (see Template:Slink).

File:Trial Chambers chamber 4.png Template:JEBE
Template:Vanchor
File:Trial Chamber Eruption room.png
Eruption viewed from a corner.
Name Description Blocks Image Weight
trial_chambers/chamber/eruption Eruption is a large room with a fountain-like structure in its center surrounded by magma blocks. It has three potential entrances; one on its upper level and two on its lower level.

It generates a breeze trial spawner and a vault on the side where it does not have a potential entrance. The three other sides are filled with random slices, and the corners are filled with random quadrants.

File:Trial Chambers eruption.png Template:JEBE
trial_chambers/chamber/eruption/center_1 Center 1 is a center pedestal which contains a fountain-like structure with a dispenser.

It theoretically contains a hidden vault inside; however, due to limited space, the vault never generates.

File:Trial Chambers Eruption center 1.png Template:Frac (100%)
trial_chambers/chamber/eruption/breeze_slice_1 Breeze slice 1 is the slice placed on the only side without any potential entrances.

It contains a a breeze trial spawner and an ominous vault.

File:Trial Chambers Eruption breeze slice 1.png Template:Frac (100%)
trial_chambers/chamber/eruption/slice_1 Slice 1 can be attached to any potential entrance.

It contains a vault on its lower floor.

File:Trial Chambers Eruption slice 1.png Template:Frac (33.33%)
trial_chambers/chamber/eruption/slice_2 Slice 2 can be attached to any potential entrance. File:Trial Chambers Eruption slice 2.png Template:Frac (33.33%)
trial_chambers/chamber/eruption/slice_3 Slice 3 can be attached to any potential entrance.

It contains a melee trial spawner on its lower floor.

File:Trial Chambers Eruption slice 3.png Template:Frac (33.33%)
trial_chambers/chamber/eruption/quadrant_1 Quadrant 1 can generate in the corners of the chamber. File:Trial Chambers Eruption quadrant 1.png Template:Frac (20%)
trial_chambers/chamber/eruption/quadrant_2 Quadrant 2 can generate in the corners of the chamber.

It contains a vault on its upper floor.

File:Trial Chambers Eruption quadrant 2.png Template:Frac (20%)
trial_chambers/chamber/eruption/quadrant_3 Quadrant 3 can generate in the corners of the chamber.

It contains a vault on its upper floor.

File:Trial Chambers Eruption quadrant 3.png Template:Frac (20%)
trial_chambers/chamber/eruption/quadrant_4 Quadrant 4 can generate in the corners of the chamber.

It contains a ranged trial spawner on its upper floor.

File:Trial Chambers Eruption quadrant 4.png Template:Frac (20%)
trial_chambers/chamber/eruption/quadrant_5 Quadrant 5 can generate in the corners of the chamber.

It contains a ranged trial spawner on its upper floor.

File:Trial Chambers Eruption quadrant 5.png Template:Frac (20%)
Template:Vanchor
File:Trial Chamber Assembly room.png
Assembly viewed from the platform.
Name Description Blocks Image Weight
trial_chambers/chamber/assembly Assembly a large room consisting of a main floor, a balcony and a platform. It has three potential entrances: on each leading to the platform, one to the balcony, and one in a underground passageway.

The main floor contains a vault, a breeze trial spawner, an ominous vault embedded in a wall, and may have dispensers embedded in the walls. The platform contains two vaults and a ranged trial spawner. The underground passageway, located bellow the main floor, contains a single vault.

On the main floor, 11 random upper addons, such as hanging platforms, generate attached to the ceiling, while 11 random lower addons generate attached to the floor. In addition to these addons, dispensers may generate embedded in the walls.

The two staircases leading to the balcony are randomly selected.

File:Trial Chambers assembly.png Template:JEBE
trial_chambers/chamber/assembly/cover_1 These addons consist in walls of copper grates around staircases embedded into the floor and sealed by trapdoors. File:Trial Chambers Assembly cover 1.png Template:Frac (9.09%)
trial_chambers/chamber/assembly/cover_2 File:Trial Chambers Assembly cover 2.png Template:Frac (9.09%)
trial_chambers/chamber/assembly/cover_3 File:Trial Chambers Assembly cover 3.png Template:Frac (9.09%)
trial_chambers/chamber/assembly/cover_4 File:Trial Chambers Assembly cover 4.png Template:Frac (9.09%)
trial_chambers/chamber/assembly/cover_5 File:Trial Chambers Assembly cover 5.png Template:Frac (9.09%)
trial_chambers/chamber/assembly/cover_6 File:Trial Chambers Assembly cover 6.png Template:Frac (9.09%)
trial_chambers/chamber/assembly/cover_7 This addon is identical to the previous ones, but without walls of copper grates around the staircases. File:Trial Chambers Assembly cover 7.png Template:Frac (22.73%)
trial_chambers/chamber/assembly/full_column This addon consists in a large pillar attached to the ceiling. File:Trial Chambers Assembly full column.png Template:Frac (9.09%)
trial_chambers/chamber/assembly/platform_1 This addon is a small platform. File:Trial Chambers Assembly platform 1.png Template:Frac (9.09%)
trial_chambers/chamber/assembly/spawner_1 This addon is a taller platform. Despite its name, it does not generate with a trial spawner. File:Trial Chambers Assembly spawner 1.png Template:Frac (4.55%)
trial_chambers/chamber/assembly/hanging_1 These hanging platforms mays generate attached to the ceiling, provided a full_column lower addon prevent the generation by taking the room. File:Trial Chambers Assembly hanging 1.png Template:Frac (18.18%)
trial_chambers/chamber/assembly/hanging_2 File:Trial Chambers Assembly hanging 2.png Template:Frac (9.09%)
trial_chambers/chamber/assembly/hanging_3 File:Trial Chambers Assembly hanging 3.png Template:Frac (18.18%)
trial_chambers/chamber/assembly/hanging_4 File:Trial Chambers Assembly hanging 4.png Template:Frac (18.18%)
trial_chambers/chamber/assembly/hanging_5 This sub-structure consists in no hanging platform, leaving the ceiling empty. File:Trial Chambers Assembly hanging 5.png Template:Frac (36.36%)
trial_chambers/chamber/assembly/right_staircase_1 One of the three staircases designs leading to the balcony. The right and left sides are independent. File:Trial Chambers Assembly right staircase 1.png Template:Frac (33.33%)
trial_chambers/chamber/assembly/left_staircase_1 File:Trial Chambers Assembly left staircase 1.png
trial_chambers/chamber/assembly/right_staircase_2 One of the three staircases designs leading to the balcony. The right and left sides are independent. File:Trial Chambers Assembly right staircase 2.png Template:Frac (33.33%)
trial_chambers/chamber/assembly/left_staircase_2 File:Trial Chambers Assembly left staircase 2.png
trial_chambers/chamber/assembly/right_staircase_3 One of the three staircases designs leading to the balcony. The right and left sides are independent.

It contains a trial spawner that can generate either melee, small melee or ranged mobs on the upper floor.

File:Trial Chambers Assembly right staircase 3.png Template:Frac (33.33%)
trial_chambers/chamber/assembly/left_staircase_3 File:Trial Chambers Assembly left staircase 3.png
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Name Description Blocks Image Weight
trial_chambers/chamber/chamber_8 Chamber_8 is a tall four-story room. It has two potential entrance; one on the lower level and one on the third level.

The first floor contains two vaults. The second and third floors both contain a slow ranged trial spawner. The fourth floor contains two slow ranged trial spawner, a vault, and an ominous vault.

Dispensers can generate in the walls.

File:Trial Chambers chamber 8.png Template:JEBE
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File:Trial Chamber Slanted room.png
Slanted viewed from the upper level entrance.
Name Description Blocks Image Weight
trial_chambers/chamber/slanted Slanted is a large two-story room. It has two potential entrance; one on the lower level and one on the upper level.

It has a breeze trial spawner in its center around which are 4 slices, including an ominous one, and 4 quadrants. Unlike other chambers that generate with full slices, Slanted's slice are split into two parts: hallways (on the lower level) and ramps (on the upper level).

File:Trial Chambers slanted.png Template:JEBE
trial_chambers/chamber/slanted/center This pieces generates in the center. It contains a breeze trial spawner on the upper floor. File:Trial Chambers Slanted center.png Template:Frac (100%)
trial_chambers/chamber/slanted/hallway_1 These pieces consist of the lower part of Slanted's slices.

hallway_2 contains a vault.

File:Trial Chambers Slanted hallway 1.png Template:Frac (33.33%)
trial_chambers/chamber/slanted/hallway_2 File:Trial Chambers Slanted hallway 2.png Template:Frac (33.33%)
trial_chambers/chamber/slanted/hallway_3 File:Trial Chambers Slanted hallway 3.png Template:Frac (33.33%)
trial_chambers/chamber/slanted/ominous_upper_arm_1 This piece consist of an upper part of Slanted's slices. It generates attached to a single side of the center piece and contains an ominous vault. File:Trial Chambers Slanted ominous upper arm 1.png Template:Frac (100%)
trial_chambers/chamber/slanted/ramp_1 These pieces consist of the lower part of Slanted's slices.

ramp_1 and ramp_2 contain a melee trial spawner.

ramp_3 contains a ranged trial spawner.

File:Trial Chambers Slanted ramp 1.png Template:Frac (25%)
trial_chambers/chamber/slanted/ramp_2 File:Trial Chambers Slanted ramp 2.png Template:Frac (25%)
trial_chambers/chamber/slanted/ramp_3 File:Trial Chambers Slanted ramp 3.png Template:Frac (25%)
trial_chambers/chamber/slanted/ramp_4 File:Trial Chambers Slanted ramp 4.png Template:Frac (25%)
trial_chambers/chamber/slanted/quadrant_1 This quadrant consists of a staircase connecting the two floors. It contains a vault under the staircase and a melee trial spawner on the upper level. File:Trial Chambers Slanted quadrant 1.png Template:Frac (25%)
trial_chambers/chamber/slanted/quadrant_2 These quadrants consist in two unconnected floors, each containing a vault. File:Trial Chambers Slanted quadrant 2.png Template:Frac (25%)
trial_chambers/chamber/slanted/quadrant_3 File:Trial Chambers Slanted quadrant 3.png Template:Frac (25%)
trial_chambers/chamber/slanted/quadrant_4 This quadrants consist in a parkour connecting the two floors. It contains dispensers embedded in its walls. File:Trial Chambers Slanted quadrant 4.png Template:Frac (25%)

Miscellaneous

Decor
File:Trial Chamber decor.png
Various decor features in a trial chamber.
File:Trial Chamber disposal.png
A disposal near a chamber entrance.

Decor includes decorated pots, flower pots, candles, and barrels. It can generate in slices, some encounters, and some chambers.

Disposals and beds are also classified as decor but are not part of the decor pool: they only generate near chamber entrances and at intersections respectively.

Dispenser
Loot containers
Trial spawners


Mobs

Template:Anchor Template:Main

Natural hostile mob spawning is disabled within a trial chamber. Mobs spawn only from the Minecraft:trial spawners. The number of mobs spawned scales with the number of players in range of each spawner, and breezes are spawned less per spawner and per player than other mobs.

When a trial chamber structure generates, one mob from each of the following categories is randomly selected for the trial spawners in that structure. Every mob within the same category has an equal chance to be selected. The breeze is in its own category and is thus guaranteed to be found in certain chambers.

Trial spawner configuration
Category Mob spawned Floor Blocks in/on the floor
Breeze Template:EntityLink

Template:Sprite grid

Melee Template:EntityLink

Template:Sprite grid

Template:EntityLink

Template:Sprite grid

Template:EntityLink

Template:Sprite grid

Small melee Template:EntityLink

Template:Sprite grid

Template:EntityLink

Template:Sprite grid

Template:EntityLink

Template:Sprite grid

Template:EntityLink

Template:Sprite grid

Ranged Template:EntityLink

Template:Sprite grid

Template:EntityLink

Template:Sprite grid

Template:EntityLink

Template:Sprite grid

Additionally, chickens can also appear in trial chambers in two different ways.

  • In Template:JE, baby zombies or baby husks that spawn have a 5% chance to spawn as a Minecraft:chicken jockey.
  • Naturally generated dispensers can contain eggs and breezes can unintentionally power a button or pressure plate, activating the dispenser to fire the eggs, which have an 1/8 chance to spawn a chick.

Loot

Template:Seealso Loot is available from Minecraft:vaults, Minecraft:chests, Minecraft:barrels, Minecraft:dispensers, and Minecraft:decorated pots from within the chambers. Players who defeat a trial spawner each receive rewards; this loot scales depending on the number of players who defeat the trial spawner.

Vaults

File:Trial Chambers Vault Pedestal Screenshot.png
A vault on its pedestal inside the trial chambers

Template:AnchorTemplate:MainTemplate:LootChest

Ominous vaults

File:Ominous Tweet Image.jpeg
An ominous vault on its altar-like structure inside the trial chambers

Template:Main Template:LootChest

Chests

Entrances

Template:LootChest

Intersections

The room where the loot is stored isn't actually an intersection, it is a corridor end. Template:LootChest

Supply

Template:LootChest

Barrels

Intersection barrels

Template:LootChest

Corridor barrels

Despite being barrels, the corridor containers are referred to as chests by the game.

Template:LootChest

Decorated pots

File:Decorated Pot in Trial Chambers.png
A decorated pot inside trial chambers

In addition to the below, decorated pots may have flow, guster, or scrape designs, which yield their respective pottery sherds when broken, along with bricks for any blank sides. There is a Template:Frac chance that the pot is composed entirely out of bricks, and Template:Frac chance for each of the variants with a single sherd.

Template:LootChest

Dispensers

File:Trial Chamber dispenser trap.jpeg
Some of the dispenser traps that are placed inside various chambers

Chamber dispenser

Template:LootChest

Corridor dispenser

Template:LootChest

Water dispenser

Template:LootChest

Trial spawners

When all mobs have been killed, the Minecraft:trial spawner has a 50% chance of picking the Minecraft:trial key, in which case it drops for all players. The other 50% of the time it drops one of the other items for each player.

Template:LootChest

Ominous trial spawners

When all mobs have been killed, the Minecraft:ominous trial spawner has a 30% chance of picking the Minecraft:ominous trial key, in which case it drops for all players. The other 70% of the time it drops one of the other items for each player.

Template:LootChest

Data values

ID

Template:JE: Template:ID table Template:ID table

Template:BE: Template:ID table Template:ID table

Achievements

Template:Load achievements

Advancements

Template:Load advancements

Videos

Template:Yt Template:Yt Template:Yt Template:Yt

History

Announcement and teaser

Template:HistoryTable

Java Edition

Template:HistoryTable

Bedrock Edition

Template:HistoryTable

Issues

Template:Issue list

Trivia

  • The idea of trial chambers evolved from Minecraft:CornerHard pitching in a meeting to revisit the Minecraft:monster room.<ref>Template:Twl</ref>
  • The design of trial chambers was inspired by the architecture of Template:Wn civilizations, whose geometric designs fit well into Minecraft. The design combines the aesthetic of ancient civilizations with a futuristic feel.<ref>Template:Ytl</ref>
  • A scrapped chamber design appears in two Minecraft:YouTube videos showcasing the trial chambers and the trial spawners.<ref>Template:Ytl</ref><ref>Template:Ytl</ref> It includes a trial spawner, two chests, and two redstone lamps with levers on top.
  • Minecraft:Brandon Pearce thinks that whoever created trial chambers in-universe seem to be "pretty tinkery".<ref>Template:Tweet</ref>
  • In Java Edition, if a Trial Chamber is generated in a Minecraft:superflat world after being upgraded from a version before 1.18, (e.g. using custom presets or by upgrading an old world with new terrain), and a Minecraft:Trial Spawner pedestal is positioned so that the spawner is at Minecraft:bedrock level, (Y:0), the surrounding bedrock blocks are cleared to make space for it. This appears to be part of the pedestal's placement behavior.
  • As of version 1.21.5, Trial Chambers do not generate naturally in superflat worlds.

Gallery

Screenshots

Mojang screenshots

In other media

Concept artwork

Notes

Template:Notelist

References

Template:Reflist

External links

Navigation

Template:Navbox generated structures Template:Featured

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