Addon: Beyond the Underground

Luminous Caverns 

• These caves generate exclusively under Mushroom Islands
• This is a peaceful cave with no natural hostile mobs spawning
• The entire cave is slightly lit up with vegetation!

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!
• Luminite gear can burn in fire but is invulnerable to explosions 

• Because of how hard to get Luminite is, Luminite gear is slightly better than 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

Slimy Sewers 

• These caves generate exclusively under Swamps
• This is a very dangerous cave with thick green fog, limiting your render distance

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

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 & Witches also spawn more frequently here, in groups of 2 to 4

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 6 seconds of Poison II to any mob attacked using this weapon 

• 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!

Limestone Caves 

• These caves generate exclusively under Deserts
• This is a very dusty cave with thick yellow fog

Vegetation & Foliage

• All stone in this cave is replaced with Limestone, Cobbled Limestone, Calcite, and Sandstone
• Patches of Quicksand 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

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 Fatal Poison potions.

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!

Ice Caves 

• These caves generate exclusively under frozen biomes
• Ice can be found everywhere, including dripping icicles and ice crystals

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

Potions 

• Ice Crystal items can be used to brew Freezing potions, 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.

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!

Experimental Toggles