Minecraft:Java Edition guides/Caves & Cliffs: Part I

This guide is a simplified overview of all changes in the Minecraft:Caves & Cliffs: Part I update (Template:JE 1.17.x releases), which assumes at least some familiarity with the Minecraft:Nether Update (Java Edition 1.16.x releases). Note that some of the spawning and generation requirements for some mobs and blocks changed from this update to Part II, refer to that page for more up-to-date locations.

Mobs

New

Minecraft:Axolotl	Template:Animate	Can only spawn in complete darkness and where there's a natural stone block less than 5 blocks below the spawning space.	None	Comes in 5 variants. Can be picked up in buckets. Attacks all fish, squid, guardians, and drowned. Gives Minecraft:Regeneration I and removes Minecraft:Mining Fatigue when the player helps an axolotl kill a mob. Bred with a bucket of tropical fish. "Plays dead" to regenerate health.
Minecraft:Glow squid	File:Glow Squid JE1.gif	Can only spawn in complete darkness and where there's a natural stone block less than 5 blocks below the spawning space.	Template:Drop Template:Xp (when killed by a Minecraft:player or tamed Minecraft:wolf)	Glows in the dark, similar to spider and enderman eyes. Temporarily loses glow when attacked.
Minecraft:Goat	File:Goat BE1.png	Mountains biome	Template:Xp (when killed by a Minecraft:player or tamed Minecraft:wolf)	Jumps higher than other mobs. May attack other mobs by ramming them. Rarely spawns as a screaming goat, which has a unique set of sounds and a more hostile behavior. Bred with wheat. Can be milked. Runs on its own.

Changed

Minecraft:Shulker	File:Shulker.png	If a shulker is hit by another shulker's projectile, it now has a chance of spawning a new shulker.
Minecraft:Drowned	File:Drowned.png	Drops copper ingots instead of gold ingots.
Minecraft:Stray	File:Stray.png	Minecraft:Skeletons now convert to strays when freezing in Minecraft:powder snow.

Blocks

New

Minecraft:Amethyst buds and cluster	Template:Animate	Grows on the sides of budding amethyst.	Can drop loot with hand, but the proper tool is the pickaxe.	Used for gathering Minecraft:amethyst shards.
Minecraft:Block of amethyst	File:Block of Amethyst JE3.png	Generates inside of amethyst geodes.	Pickaxe (iron or better)	Used for decoration.
Minecraft:Budding amethyst	File:Budding Amethyst JE3.png	Generates inside of amethyst geodes. Cannot be obtained.	Pickaxe (drops nothing)	Used to grow Minecraft:amethyst clusters. Breaks when pushed by pistons.
Minecraft:Calcite	File:Calcite JE2.png	Generates in the middle layer of amethyst geodes.	Pickaxe	Used for decoration.
Minecraft:Smooth basalt	File:Smooth Basalt JE1.png	Generates on the outer layer of amethyst geodes.	Pickaxe	Used for decoration.
Minecraft:Tuff	File:Tuff JE1.png	Generates underground.	Pickaxe	Used for decoration.
Minecraft:Tinted glass	File:Tinted Glass JE2 BE1.png		Any	Glass that doesn't allow light to pass through.
Minecraft:Copper ore	File:Copper Ore JE2.png	Found in the Overworld from Y=0 to Y=96; most common at Y=47-48.	Pickaxe (stone or better)	Drops raw copper.
Minecraft:Block of copper	Template:Animate		Pickaxe (stone or better)	Used for decoration. Advances to the next stage of weathering every 50-82 in-game days. Can be crafted or used with honeycomb to become waxed, which stops it from weathering. Weathering can be reduced with an axe or by a lightning strike.
Minecraft:Cut copper	Template:Animate		Pickaxe (stone or better)	Used for decoration. Advances to the next stage of weathering every 50-82 in-game days. Can be crafted or used with honeycomb to become waxed, which stops it from weathering. Weathering can be reduced by an axe or a lightning strike.
Minecraft:Cut copper slabs and stairs			Pickaxe (stone or better)	Used for decoration. Advances to the next stage of weathering every 50-82 in-game days. Can be crafted or used with honeycomb to become waxed, which stops it from weathering. Weathering can be reduced by an axe or a lightning strike.
Minecraft:Lightning rod	File:Lightning Rod (U) JE3.png		Pickaxe (stone or better)	Used to redirect Minecraft:lightning, to avoid Minecraft:fires or for use in farms.
Minecraft:Candle	Template:Animate		Any	Can be used as a light source but it needs to be lit with flint and steel, fire charges, or flaming arrows. Extinguish candles using water or by simply right-clicking. Can be dyed. Can be placed in groups of four. Can be placed on top of a cake to make a cake with candle.
Minecraft:Powder snow	File:Powder Snow JE1 BE1.png	Obtained from cauldrons laid out under snowy weather.	Bucket	Picked up with a bucket. Mobs and players can sink and walk through powder snow, taking freezing damage. Leather armor provides immunity to freezing. Leather boots prevent sinking. Skeletons buried in powder snow transform into strays. Can be placed by dispensers containing powder snow buckets. Puts out flames on burning mobs, at the cost of the powder snow block being destroyed. Fire mobs (blazes, magma cubes, striders) take more damage from freezing; ice mobs (strays, polar bears, snow golems) and the wither are immune to freezing.
Minecraft:Dripstone block	File:Dripstone Block JE1.png	Generates in dripstone clusters.	Pickaxe	Used for growing pointed dripstone if a water source is above the block.
Minecraft:Pointed dripstone	Template:Animate	Generates in dripstone clusters. Grown from dripping stalactites. Sold by wandering traders.	Any	Stalagmites deal damage to any entity that falls or jumps on top of it. Stalactites fall when the block above it is broken, dealing damage to any entity it hits. Stalactites can drip water, or lava if there is lava above the stalactite. These drops can be picked up by cauldrons, and also allows for renewable lava. Can be broken with tridents.
Minecraft:Sculk sensor	File:Sculk Sensor.gif	Obtainable only using commands.	Hoe	Detects vibrations made from nearby entities or blocks and emits a redstone signal. Redstone comparators can measure vibration frequencies from sculk sensors and convert them into redstone signals of different strengths. Detects only certain things, such as entities walking, flapping wings, or blocks being placed or broken. Cannot detect vibrations made behind a block of Minecraft:wool.
Minecraft:Glow lichen	File:Glow Lichen (D) JE2.png	Generates in caves.	Shears	Produces light. Can be spread with bone meal.
Minecraft:Azalea	Template:Animate	Grows from moss blocks fertilized with bone meal. Drops from azalea leaves.	Any	Used for decoration. Comes in normal and flowering variants. Can be grown into azalea trees.
Minecraft:Azalea leaves	Template:Animate	Generates on azalea trees.	Shears	Used for decoration. Comes in normal and flowering variants.
Minecraft:Cave vines	Template:Animate	Planted from glow berries.	Any	Grows glow berries. Vines with berries on them produce light.
Minecraft:Big dripleaf	File:Big Dripleaf (S) JE2.png	Grows when small dripleaves are bonemealed.	Axe	Can be stood upon. Tilts if an entity stands on it for longer than 1 second, causing the entity to fall through. Immediately tilts if hit by a projectile. A redstone signal prevents it from tilting.
Minecraft:Small dripleaf	File:Small Dripleaf (two blocks tall) (E) JE3.png	Sold by wandering traders.	Shears	Grows into big dripleaves. Can be planted only on clay blocks, moss blocks, or while submerged in water.
Minecraft:Hanging roots	File:Hanging Roots JE2.png	Generate beneath azalea trees. Grow from rooted dirt fertilized with bone meal.	Shears	Used for decoration.
Minecraft:Rooted dirt	File:Rooted Dirt JE1.png	Generates beneath azalea trees. Sold by wandering traders.	Any	Shearing rooted dirt drops hanging roots and converts it into regular dirt. Hanging roots can be grown by applying bone meal.
Minecraft:Moss block	File:Moss Block JE1.png	Can be found in shipwreck chests. Sold by wandering traders.	Axe	Applying bone meal creates grass, moss carpets, azaleas, and flowering azaleas. Applying bone meal converts adjacent stone and sediment-based blocks into moss blocks. Prevents saplings placed on it from growing into trees.
Minecraft:Moss carpet	File:Moss Carpet JE1.png	Grows from moss blocks fertilized with bone meal.	Any	Used for decoration.
Minecraft:Spore blossom	File:Spore Blossom JE1.png	Obtainable only using commands.	Any	Produces spore particles.
Minecraft:Deepslate	Template:Animate	Generates underground.	Pickaxe	Used for decoration.
Minecraft:Infested deepslate	Template:Animate	Generates when a silverfish infests deepslate.	Pickaxe	Spawns a silverfish when broken.
Minecraft:Cobbled deepslate	File:Cobbled Deepslate JE2.png	Drops from deepslate.	Pickaxe	Used to craft stone tools, furnaces, and brewing stands.
Minecraft:Polished deepslate	File:Polished Deepslate JE2.png		Pickaxe	Used for decoration.
Minecraft:Deepslate bricks and Minecraft:cracked deepslate bricks	File:Deepslate Bricks JE2.png File:Cracked Deepslate Bricks JE1.png		Pickaxe	Used for decoration.
Minecraft:Deepslate tiles and Minecraft:cracked deepslate tiles	File:Deepslate Tiles JE2.png File:Cracked Deepslate Tiles JE1.png		Pickaxe	Used for decoration.
Minecraft:Chiseled deepslate	File:Chiseled Deepslate JE2.png		Pickaxe	Used for decoration.
Minecraft:Cobbled deepslate, Minecraft:polished deepslate, Minecraft:deepslate brick and Minecraft:deepslate tile Minecraft:slab, Minecraft:stairs and Minecraft:wall			Pickaxe	Used for decoration.
Deepslate Minecraft:ores	Template:Animate	Generates wherever deepslate and tuff generate.	Pickaxe	Function the same as their stone equivalents, but take twice as long to mine.
Minecraft:Blocks of raw iron, copper and gold	Template:Animate		Pickaxe	Used for storage of raw metals.
Minecraft:Light block	Template:Animate	Obtainable through commands.	N/A	An invisible, non-solid, waterloggable light source. Shows particles indicating its location when held in hand, like the barrier.

Changed

Minecraft:Cake	File:Cake with Candle.png	Can now have candles placed on them.
Minecraft:Cauldron	Template:Animate	Now used to collect dripping liquids from pointed dripstone. Can now be filled with lava and powder snow.
Minecraft:Dirt path	File:Grass Path JE2 BE2.png	Renamed from "Grass Path". Can now be created from dirt, coarse dirt, podzol, and mycelium.
All Minecraft:rails	Template:Animate	Can now be waterlogged.
All Minecraft:signs	Template:Animate	Have been given new textures. Sign text can now be made to glow using glow ink sacs. A normal ink sac can be used to remove the glowing effect.
Coal, diamond, emerald, gold, iron, lapis lazuli and redstone ore	Template:Animate	Have been given new textures for accessibility. Iron and gold ore now drop their raw counterparts instead of themselves.
Minecraft:Blackstone, Minecraft:polished blackstone bricks and Minecraft:cracked polished blackstone bricks	Template:Animate	Have been given new textures.
Minecraft:Mossy cobblestone and Minecraft:mossy stone bricks	Template:Animate	Can now be crafted using moss blocks.

Items

New

Minecraft:Amethyst shard	File:Amethyst Shard JE2 BE1.png	Obtained by breaking fully-grown amethyst clusters.	Can be used to craft amethyst blocks, spyglasses, and tinted glass.
Minecraft:Bundle	Template:Animate	Obtainable only using commands.	Can be used to store other items (except Minecraft:shulker boxes) inside of it.
Minecraft:Copper ingot	File:Copper Ingot JE2 BE1.png	Has a chance to be dropped by drowned.	Can be used to craft blocks of copper, lightning rods, and spyglass.
Minecraft:Spyglass	File:Spyglass (item) JE3 BE1.png File:Spyglass JE2 BE1.png		When used, the player's view zooms in, allowing them to see distant objects close up.
Minecraft:Powder snow bucket	File:Powder Snow Bucket JE1 BE1.png	Obtained by using a bucket on a snow cauldron or block of powder snow.	Can be used to place powder snow.
Minecraft:Bucket of axolotl	File:Bucket of Axolotl JE1 BE1.png	Obtained by using a water bucket on an axolotl.	Can be used to spawn an axolotl.
Minecraft:Glow ink sac	File:Glow Ink Sac JE1 BE1.png	Drops from glow squid.	Can be used to make sign text glow. Can be used to craft glow item frames.
Minecraft:Glow berries	File:Glow Berries (item) JE1.png	Can be found in mineshaft chests.	Produces light while on the vine. Can be eaten to restore Template:Hunger and 0.4 saturation. Can be used to plant cave vines. Can be fed to foxes.
Minecraft:Raw iron, copper and gold	Template:Animate	Drop from their respective ores.	Can be smelted into ingots. Can be crafted into compacted blocks. Allows iron ore, gold ore, and copper ore to be compatible with the Minecraft:Fortune enchantment.
Minecraft:Spawn eggs for all new mobs	Template:Animate	Obtained from the creative inventory.	Can be used to spawn the corresponding mob.

Changed

Minecraft:Clock	File:Clock JE3.gif	Has been given a new texture.
Minecraft:Compass and Minecraft:lodestone compass	Template:Animate	Have been given new textures.
Minecraft:Sugar cane	File:Sugar Cane (item) JE3 BE3.png	Has been given a new texture.

Non-mob entities

New

Minecraft:Glow item frame

Template:Animate

Template:Drop

An item frame that glows.

Structures

New

Minecraft:Amethyst geode	File:Amethyst geode.png	Underground	No	No	A round chamber consisting of an amethyst and budding amethyst inner wall, a smooth basalt outer wall, and a layer of calcite in between. Comes in many different sizes.
Minecraft:Azalea tree	File:Azalea Tree.png	Grown from azalea and flowering azalea.	No	No	Lots of rooted dirt generate below natural azalea trees. A tree currently made of azalea leaves and oak logs.

Changed

Minecraft:Mineshaft	File:Mineshaft with Chain.png	Mineshaft pieces no longer generate if they would be fully floating in the air. Corridors now generate with Minecraft:oak log or Minecraft:dark oak log pillars or chains for support if needed. Minecraft:Cobwebs no longer generate if they would not be connected to solid blocks.
Minecraft:Stronghold	File:StrongholdPortalRoom.png	Now generate encased in Minecraft:stone, preventing nearby Minecraft:caves from intersecting them.