Beyond The Underground (New Cave Biomes - Supports 1.21.40!)

Vegetation & Foliage

• Giant Luminous Mushrooms & Giant Gloomy Mushrooms generate in this cave
• Normal-sized mushrooms generate on the surface
• Radiant Vines grow from the ground
• These plants all emit a small amount of light!

Food

• Luminous Mushroom Stew can be crafted with 1 Bowl, 1 Luminous Mushroom, and 1 Gloomy Mushroom
  • Replenishes 6 hunger points (3 hunger bars)
  • Gives you Night Vision for 15 seconds

• Mysterious Stew can be crafted with 1 Bowl, 1 Luminous Mushroom, 1 Gloomy Mushroom, 1 Red Mushroom, 1 Brown Mushroom, and 1 Mysterious Fungus
  • Replenishes 3 hunger points (1.5 bars)
  • Gives you 1-2 random effects (selecting from all positive and negative effects)

Ores

• Luminite is a blue gemstone that can be found in Luminous Caverns
• Luminite Ore generates at Y levels -64 to 12
  • Drops 1-2 Luminite Shards when broken

• Combine 6 Luminite Shards and 1 Diamond in a Crafting Table to get 1 Luminite
• Luminite can be used to craft gear!

• As Luminite gear is harder to obtain than Diamond gear but also easier to obtain than Netherite, the stats of Luminite gear are in between Diamond and Netherite gear.

Mobs

• Shroom Elves spawns in Luminous Caverns
• They can be bred using Luminous Mushrooms
• They spawn in large groups of 4-8
• They have 8 health (4 hearts) and die almost instantly from lava
• They run away from the player but can be lured using Luminous Mushrooms
• They drop 0-2 Luminous Mushrooms when killed

• Luminous Mooshrooms spawns in Luminous Caverns
• They can be bred using Wheat
• Interact with them using:
  • A bucket to get milk
  • A bowl to get Luminous Mushroom Stew
  • Mysterious Fungus first, then a Bowl to get Mysterious Stew
  • Shears to get Luminous Mushrooms. This will turn them into normal cows

Vegetation & Foliage

• A layer of Slimy Stone replaces Stone on the surface, which slows you down
• Slime Layers cover most of the floor
• Slimy Blossoms and Slimy Sprouts scatter across the cave
• Sticky Spikes generate on the surface and hurts you when you step on them
• Slime drips from the ceiling
• Mud, Tall Grass and Slimy Pebbles can be found here

Food

• Slime Soup can be crafted with 1 Bowl and 2 Slimeballs
• Replenishes 3 hunger points (1.5 bars)
• Gives you Jump Boost II for 8 seconds and Resistance II for 5 seconds
• Has a 45% chance to also give you Hunger I for 30 seconds and Nausea II for 20 seconds

Mobs

• Slimy Zombies spawn in the Slimy Sewers
• They spawn in large hordes of 4 to 7
• They have 20 health (10 hearts) like regular zombies
• They throw Hardened Slimeballs at enemies which deal 7 damage (3.5 hearts) with no armor
• They drop Rotten Flesh and Hardened Slimeballs when killed
• Vanilla Minecraft Slimes spawn more frequently here, in groups of 2 to 4
• Vanilla Minecraft Witches also spawn more frequently here, in groups of 1 to 3

Structures

• Slime Dungeons generate under Swamps between Y=-59 and 47.
• There are 2 variants: Stone & Deepslate, for their respective Y levels
• There are 3 spawners, 1 with Slimes, and 2 with Slimy Zombies

• There is a treasure chest in the middle with valuable loot, including the Slime Dagger (exclusively found here!)
• Slime Daggers deal +4 attack damage and inflict enemies with 6 seconds of Poison II & 3 seconds of Jump Boost I

• Here is everything new you can get from the Slimy Sewers.
• Slime Dungeons are built using Slimy Stone Bricks, Slimy Deepslate Bricks, and Slimy Deepslate Tiles. You can craft them using Slimy Stone and Slimy Deepslate!
• Slime Lanterns can be crafted using 1 Glowstone and 4 Hardened Slimeballs!

Vegetation & Foliage

• All stone in this cave is replaced with Limestone, Cobbled Limestone, Calcite, and Sandstone
• Patches of Quicksand and Coarse Dirt occasionally generate
• Limestone Pebbles, Cobbled Limestone Pebbles, and Sand Layers can be found on the floor
• Sandy Roots hang from the ceiling

Mobs

• Scorpions spawn in the Limestone Caves
• They spawn in swarms of 2 to 4
• They have 16 health (8 hearts)
• They inflict 10 seconds of Poison every attack
• They drop Raw Scorpion items on death (or Cooked Scorpion items if died in fire or lava)
• Vanilla Minecraft Husks also spawn more frequently here, in hordes of 2 to 4

• Sandy Skellies spawn in the Limestone Caves in groups of 1 to 2
• They have 16 health (8 hearts)
• They have a 10% chance to drop their skull when killed

Special Weapon

• The Wand of the Sands can be crafted using Sandstone Sticks (found in Limestone Dungeons) and 1 Sandy Skelly Skull.
• They can be used to trigger sandstorms, inflicting Blindness and Weakness II to opponents!

Food

• Raw Scorpion items drop from Scorpions on death
  • Replenishes 1 hunger point (0.5 bars)
  • Gives you Fatal Poison II for 10 seconds, Nausea III for 8 seconds, and Hunger III for 10 seconds
• Raw Scorpion items can be smelted in a Furnace or Smoker to make a Cooked Scorpion
  • Replenishes 5 hunger points (2.5 bars)

• Raw Scorpion items can be used to brew Potion of Fatal Poison.

Structures

• Limestone Dungeons generate under Deserts between Y=6 and 47.
  • There are 4 spawners, 2 with Scorpions, and 2 with Husks
  • There is a treasure chest in the middle with valuable loot, including diamonds, golden apples, and/or enchanted apples

• Limestone Ruins can be found in Limestone Caves between Y=6 and 47.
  • All ruins have a chest, which contains useful items.
  • There are 6 variants in total. See if you can find them all!

• Limestone Dungeons & Limestone Ruins are built using Limestone Bricks. You can craft them using Limestone, and there are many other variants as well!

Vegetation & Foliage

• Ice Crystals, Frosted Stone and Frosted Deepslate replaces most stone on the cave surface
• Crystallized Ice and Blue Ice make up the cave ceiling
• Pebbles can be found on the floor
• Icicles drip from the ceiling

Mobs

• Penguins spawn in the Ice Caves and on the surface of frozen biomes
• They spawn in groups of 3 to 5 on the surface and 2 to 4 underground
• They have 10 health (5 hearts)
• They cannot be tamed, but can be lured and bred using Raw Cod and Raw Salmon
• Vanilla Minecraft Strays also spawn more frequently here, in armies of 2 to 4

• Frost Spirits spawn in the Ice Caves
• They are playful little ice cubes that jump and attack you
• They have 16 health (8 hearts)
• They deal 3 damage (1.5 hearts) per hit
• They drop Frost Essence, which can be used for brewing and crafting a special weapon

Potions

• Frost Essence can be used to brew Potion of Freezing, which gives you Slowness and Mining Fatigue.

Structures

• Lost Explorer Camps generate under frozen biomes (in ice caves) between Y=-30 and 20.
  • Lost Explorers trade you materials from the surface for things found underground
  • Because of a Minecraft bug, Lost Explorers do not spawn along with the structure. To spawn the Lost Explorer, interact with the Suitcase when holding an Emerald.

• Ice Dungeons generate in Ice Caves between y=-40 and 40.
  • In the chest, you may find the Frozen Core, Frost Essence and other valuables!

Special Weapon

• The Bane of Frost can be crafted using 6 Frost Essence, 1 Frozen Core, and 2 Sticks.
• This weapon deals +6 attack damage and inflicts 3 seconds of Slowness IV and Mining Fatigue III.

Other Blocks

• Packed Ice Bricks can be crafted using Packed Ice. There is also Chiseled Packed Ice with a snowflake pattern!

• Pebbles naturally generate here, except for Limestone variants. To craft more pebbles, simply put the respective block into a Stonecutter!

Vegetation & Foliage

• Crooked Fungi and Crooked Roots generate here
• Giant Crooked Fungi are found everywhere
• Lava pits and Soul Geysers are common in this cave. Tread carefully!

Mobs

• Wisps spawn in the Soul Caverns and in Soul Sand Valleys
• They spawn in groups of 2 to 3
• They have 12 health (6 hearts)
• They shoot Souls at you, which deal a lot of damage!
• They drop Soul Fragments upon death, which can be used to craft the Soul Healer

Potions

• Soul Fragments can also be used to brew Potion of Decay, which give you the Wither effect.

Food

• Crooked Fungus Stew can be crafted with 1 Bowl and 2 Crooked Fungi
  • Replenishes 6 hunger points (3 bars)
  • Gives you Fire Resistance for 20 seconds

Structures

• Soul Castles generate in the Soul Caverns. Continue exploring, and you'll find one eventually!
  • There is 1 Wisp spawner
  • There is a treasure chest filled with goodies, ranging from Soul Bricks to Diamonds, Enchanted Apples, Soul Fragments, or even the Soul Healer!
  • Hidden underneath the lava are Broken Lava Tanks. Repair them in a Crafting Table first!

Other Blocks

• Lava Tanks work like sponges, but for lava instead. Add either Gold Ingots or Diamonds to a Broken Lava Tank in a Crafting Table to repair them.
• The only source of Lava Tanks are the Soul Castles.
• Gold Lava Tanks remove lava from a 7x4x7 area, while Diamond Lava Tanks remove lava from a 11x6x11 area.
• Lava Tanks need to be cooled down after each use. Follow the in-game instructions for more details!

• The Soul Caverns include a new wood type: the Crooked wood!

• Soul Stone generates in the Soul Caverns and in Soul Sand Valleys. Craft them into Soul Bricks for building!

Version 1.5.6 (September 5, 2024)

Changes:

• You no longer need to turn on any experiments for this add-on to work!
• Added support for Minecraft version 1.21.20.
• This add-on now requires Minecraft 1.21.20 or above to function.

Version 1.5.5 (July 25, 2024)

Changes:

• Make sure you download the correct add-on version depending on the Minecraft version you are playing on!
• You must turn on Beta APIs if you are playing on the stable version.
• Crooked Trapdoors can now be placed on the bottom part of a block.
• Merged the 4 Crooked Door IDs into one. Note that all Crooked Doors that were previously placed will disappear.

Fixed Bugs:

• Sound errors no longer appear in the content log.

Version 1.5.4 (July 4, 2024)

• This and the next update will focus on backend changes due to the removal of the Holiday Creator Features experimental toggle. This update will include part of the changes. The rest will be included in the next update. I appreciate your patience as I continue to work on fixing the add-on for new Minecraft versions.

Fixed Bugs:

• Fixed an issue causing Frost Spirits not to have sounds.
• Cooling Down Lava Tanks now turn back into normal Lava Tanks.
• Removed the green fog in Roofed Forests.
• "blocks.json" errors no longer appear during world generation.
• Removed unused files to reduce file size.

Version 1.5.3 (June 22, 2024)

General Changes:

• Updated the add-on to be compatible with Minecraft 1.21.0 and Preview 1.21.10.
• This add-on now once again supports Preview versions.
• Added particles and sounds when interacting with Broken Lava Tanks.
• Lava Tanks now activate immediately once they are placed down (similar to how sponges work). No additional confirmation is required.
• Glowing Obsidian and Luminite Blocks now require an Iron Pickaxe or better to obtain.
• Soul Stone and all variants of Soul Bricks now require a pickaxe to obtain.
• Radiant Vines, Sandy Roots, Slimy Blossoms and Slimy Sprouts now requires shears to obtain.
• Luminite Ore and Deepslate Luminite Ore can now be obtained with an Iron Pickaxe or better.
• This add-on now requires Minecraft 1.21.0 or above to function.

Fixed Bugs:

• Fixed an issue causing Lava Tanks to not function in versions newer than 1.20.60.
• Dripping Icicles now drop the correct item when broken.
• Double Crooked Slabs now drop when broken.
• Frosted Deepslate and Soul Magma Blocks now drop only when broken using a pickaxe.
• Blocks in the add-on now have a chance to drop after an explosion.

Version 1.5.2 (February 15, 2024)

General Changes:

• Updated the add-on to be compatible for Minecraft 1.20.60.
• Improved the behavior of Radiant Vines, Dripping Slime, Sandy Roots and Dripping Icicles to function more like vanilla Dripstone.
• This add-on now requires Minecraft 1.20.60 to function. Preview 1.20.70 is not supported at the moment.
• Fixed the download links.

Slimy Sewers:

• Slime Daggers now inflict 5 seconds of Poison II instead of 6 seconds.
• Slime Daggers now inflict 3 seconds of Jump Boost I to the enemy.
• The special ability of the Slime Dagger is now called Intoxication.

Limestone Caves:

• Sandy Skellies now spawn more frequently in Limestone Caves.

Ice Caves:

• The special ability of the Bane of Frost is now called Frostbite.
• Frost Spirits now spawn more frequently in Ice Caves.
• Strays now spawn less frequently and in smaller groups in Ice Caves.

Soul Caverns:

• Improved chunk loading times when entering the Nether.
• Removed the cooldown for Soul Healers.
• A Use button now appears on screen when holding a Soul Healer on touch UI.
• The Soul Stone layer on the ceiling of the Nether Wastes is now thinner.
• Lava Tanks must now be placed above lava to be activated.
• The affected area of Lava Tanks is now displayed in their item names.
• Updated the opening and closing sounds of Crooked Trapdoors to match Vanilla Minecraft.
• The countdown for Lava Tanks that are cooling down are now shown automatically.

Fixed Bugs:

• Fixed an issue causing Radiant Vines, Dripping Slime, Sandy Roots and Dripping Icicles to not function properly when they are placed or broken in a world with cheats disabled.
• Slingshots now have item animations when being used.
• Movement speed is now reduced when pulling back a Slingshot.
• Fixed an issue causing players to spawn on the Nether roof when entering the Nether.
• Fixed an issue causing an error with the "minecraft:shooter" component appearing in the content log.
• Fixed an issue causing an error with the "silk_touch_enchant" appearing in the content log.
• Cooling down a Lava Tank now uses the Water Bucket and replaces it with an empty one.

Version 1.5.1 (October 13, 2023)

Changes:

• Updated the add-on to be compatible for Minecraft 1.20.30 & 1.20.40 Preview.
• "Leonardo - Lost in Ooze" now loops in the Slimy Sewers with no pauses.
• Gold & Diamond Locked Lava Tanks now have different textures.
• Locked Lava Tanks now have particle & sound effects during block interaction.
• Added checkmark and cross glyphs to block interaction responses.
• Mobs can now pathfind & jump over Crooked Fences, Crooked Fence Gates and Soul Brick Fences as the "minecraft:unwalkable" component was removed by Mojang Studios.
• Added Simplified Chinese & Traditional Chinese translations to new items in Version 1.5.
• This add-on now requires Minecraft 1.20.30 or above to function.

Fixed Bugs:

• All Luminite tools are now affected by the Efficiency enchantment.
• Fixed an issue causing Lava Tanks to not remove lava.
• Fixed a visual error causing Obsidian to appear in Gold & Diamond Full Lava Tanks.
• Lava Tanks now return an empty bucket when emptied by the player.
• Fixed missing translations in Traditional Chinese.

Version 1.5 (August 29, 2023)

New Blocks:

• Slimy Pebbles
• Slimy Deepslate Pebbles
• Crooked Door

New Items:

• Slingshot
• Sandstone Stick
• Sandy Skelly Skull
• Wand of the Sands
• Frost Essence
• Frozen Core
• Bane of Frost

New Mobs:

• Sandy Skelly
• Frost Spirit

New Structure:

• Ice Dungeon

Music!

• Added custom background music to all 5 cave types! Massive thanks to Leonardo!
  • Luminous Caverns: Leonardo - Gleaming in the Dark
  • Slimy Sewers: Leonardo - Lost in Ooze
  • Limestone Caves: Leonardo - Undead Winds
  • Ice Caves: Leonardo - Below Zero
  • Crooked Caverns: Leonardo - Deeper Depths

General Changes

• Potions no longer have enchantment glints.
• Slightly changed the model of pebbles.
• This add-on now requires Minecraft 1.20.10 or above to function.

Luminous Caverns

• Changed the texture of the Block of Luminite.
• Luminite gear can now be destroyed by explosions as the "minecraft:explodable" property was removed by Mojang Studios.
• Luminite gear can now be destroyed by explosions as the "minecraft:explodable" property was removed by Mojang Studios.
• Reduced the amount of durability of all Luminite gear:
  • Luminite Helmet: 490 --> 381 (-109)
  • Luminite Chestplate: 711 --> 554 (-157)
  • Luminite Leggings: 667 --> 520 (-147)
  • Luminite Boots: 578 --> 450 (-217)
  • All Luminite tools: 2571 --> 1795 (-776)

Slimy Sewers

• Slimy Zombies now shoot Hardened Slimeballs using Slingshots!
• Slingshots can be used to shoot Hardened Slimeballs. If you pull back the slingshot longer, the Hardened Slimeball shot deals more damage!
• Reduced the amount of damage Hardened Slimeballs deal (7 --> 5).
• When placing torches on Slime Layers, the layer will be replaced by the torch instead of the torch floating on top of it.
• Trail particles now appear when walking on top of Slimy Stone and Slimy Deepslate.
• Mud patches now generate in the Slimy Sewers.
• Tall Grass & Large Ferns now generate in the Slimy Sewers.
• Slimy Pebbles & Slimy Deepslate Pebbles now generate in the Slimy Sewers.
• Slime Dungeons now generate less frequently.
• Slimy Blossoms now give off more light (4 --> 6).
• Slimy Stone no longer generates below y=0.
• Changed the friction value of some Slimy blocks for consistency.
• Witches now spawn less frequently.

Limestone Caves

• Thrown Sand Lumps now deal more damage (1 --> 4).
• Limestone Dungeons now generate less frequently and only up to y=40.
• Limestone Ruins now generate more frequently and up to y=50.
• Quicksand now generate less commonly in Limestone Caves.
• Coarse Dirt, Dead Bushes and Tall Grass now generate in the Limestone Caves.
• Cobbled Limestone now generate less commonly.
• When placing torches on Sand Layers, the layer will be replaced by the torch instead of the torch floating on top of it.
• Reduced the amount of diamonds found in Limestone Dungeon chests.
• Increased the amount of valuables in Limestone Dungeon chests.

Ice Caves

• Potions of Freezing are now brewed with Frost Essence instead of Ice Crystals.
• Ice Dungeons now generate between y=-40 and y=40.
• Lost Explorers now trade 2 Honey Bottles for 2 Diamonds.
• Lost Explorers now trade 1 Diamond for 1 Frost Essence.
• Removed the Lost Explorers' trade of flowers for Ice Crystals.
• Other than the custom-made song by Leonardo, 2 other songs by C418 also play in the Ice Caves:
  • C418 - Kyoto
  • C418 - Flake

Crooked Caverns

• Upside down mini Crooked Forests now generate at the ceiling of Nether Wastes!
• Crooked Caverns now generate much more frequently.
• Crooked Caverns are now more cavernous!
• Glowing Obsidian now generate less commonly at lower levels of the cave.
• Gold Lava Tanks (all variants) now take 0.5 seconds longer to destroy.
• Diamond Lava Tanks (all variants) are now more blast resistant. (2 --> 3)
• Wisps now have larger hitboxes, making them easier to kill.
• The Wither effect from Wisps' thrown souls now lasts a shorter period of time.

Fixed Bugs:

• Updated the add-on to be compatible for Minecraft 1.20.10 & 1.20.20+.
• Glow Mycelium no longer generates below y=0.
• Entities no longer gain a speed boost when walking on Quicksand, Slimy Stone and Slimy Deepslate blocks.
• Entities now move slower on Slimy Deepslate Slabs.
• All Slimy Deepslate blocks now take the same amount of time to destroy.
• Fixed a misplaced pixel in the texture of Slime Lanterns.
• The Slime Layer & Sand Layer crafting recipes now give the correct items.
• Fixed an issue causing Limestone Caves to not generate.
• Scorpions no longer spawn in peaceful difficulty.
• Sandstone patches no longer generate below y=0 in Deserts.
• Blue fog now also appears in caves in Frozen Ocean biomes.
• Crooked Fences and Soul Brick Fences now have correct collision boxes.
• Nether cave carvers once again generate in versions 1.20.20 and above.
• Fixed an issue that could cause water to generate in the Nether.