Cavern Calamity adds several new cave biomes, (11 in total) heres just a few of the cave biomes you can find

Jasper Caves: Jasper Caves add a new Amethyst Variant, Jasper, a Red version of amethyst, you can also make a new weapon, Jasper Kunai

Kyanite Caves: Kyanite is also a variant of Amethyst, but its blue, you can make a new weapon with Kyanite, Kyanite Kunai

Amethyst Caves: Just like the first 2 caves, you now have a cave biome for Amethyst, unlike the first 2 however, this cave biome also has Calcite mixed into it

Slimy Sewers: the slimy sewers contains a LOT of slime, if you need a ton of slime quickly, go to this biome

Glowing Mushroom Caves: This cave biome spawns exclusively under the mushroom island, its the most peaceful of the caves

Glimmering Lush Caves: This biome has the most content in it, having tons of new plants, and since its always glowing, next to no mobs can spawn in this biome

Spider Caves: Spider Caves have tons of silk and webs in them, be warned however, cave spiders naturally spawn here, plus, theres a new dangerous block, Spider Eggs, when theyre broken or stepped on, they explode into 10 baby spiders

Lichen Caves: Lichen Caves are filled to the brim with glow lichen

Aether Caves: Aether caves is a glowing crystal biome. most mobs cant spawn here, theres also a brand new mob, the Pixie

Horrid Caves: Horrid caves are a cave biome filled with spore blocks and a new hostile mob, the Hallow

Under Forest: The Under Forest is a biome that has underground pale oak plants and trees, no lava can spawn here

Sodalite Caves: Sodalite caves are a biome thats filled with a blue stone, on the roof of the biome you can find Energized Sodalite, breaking it has a chance to drop sodalite fragments used in crafting

Wilted Garden: the Wilted Garden is a withered version of the lush caves, its filled with wither skeletons and various other wither themed things

Hptsprings Biome: Hotsprings biome is a biome found mostly around deserts and mesas, its filled with lava and blackstone, it also spawns Magma Cubes in the overworld

Hotsprings Caves:

Hyperion Forest: Hyperion Forest is a biome filled with extremely large trees with roots that extend underground

Hyperion Caves:

ITEMS:

theres firstly 2 new weapon types

Kunai: a spammable, cheap throwable item

Greatswords: much stronger than normal swords, they inflict blindness and slowness on whatever you hit as well, however once you hit something, your hit with weakness 255 for 5 seconds, unless the weapons enchanted with sharpness, then it goes down to weakness 4

TOOLSETS:

Titanium: its as strong as iron, damage and mining speed wise, but it has a little more durability than diamond items, titanium can only be found in the Stone Layer

Kyanite: Kyanite has similar stats to diamond but less durability than Iron, kyanite is found only in the Kyanite Caves and Heavenly Tower Structure

Cobalt Items: Cobalt items are roughly the same as iron, except the tools gain Crushing (increases effectiveness against modded blocks) Cobalt is found in the Deepslate Layer

Aetherium Items: Aetherium is similar to diamond but slightly less durability and slightly less defense on the armor, Aetherium is found in the Aetherium Caves

Rose Gold: Rose gold is the same as iron on the armor, the tools however have the same mining speed as normal gold but with a decent amount more durability, Rose Gold is obtained by crafting Rose Gold Alloy and smelting it

Staballoy Items: Staballoy items are the same as titanium except with even more durability. Staballoy is obtained by crafting Staballoy Alloy and smelting it:

Jasper Items: Jasper Items are crafted in the Soul Forge, they have slightly stronger defense than Netherite but much lower durability. jasper is obtained in the Jasper Caves and the Heavenly Tower. Jasper Forging Template is found in Stone or Deepslate Vaces

Platinum Items: Platinum Items are Upgraded titanium items, increasing defense and doubling the durability,
platinum is found in the Deepslate Layer and the Forging Template is found in Underground Ruins

Palladium Items: Palladium is the second strongest toolset in the addon, being much stronger than Netherite, Palladium Debris is found at Y-55 and under

Exodium: Exodium is the strongest toolset in the mod, being completely unbreakable and having extreme stats, Exodium is found in the Wilted Garden and the Forging Template is dropped by the boss, Floral Amalgam

MISC ORES:

Sulfur: its used to craft Gunpowder easier, it also is used to craft colorful smokebombs and Firework fountains, sulfur is a Stone-layer exclusive ore

Onyx Quartz: Onyx quartz is a varient of Nether Quartz but black, its a stone layer exclusive ore:

Uranium: Uranium is used to make Rad Powder, an upgraded gunpowder which makes more powerful explosives, its also used as a part for Staballoy Alloy and for decorative blocks, it can also BOOST COPPER AND IRON GOLEMS, its a Deepslate Layer ore

(Warning, the ore and blocks of the ore damage people nearby who arent wearing Rad Away Bands)

Other Items include:

Silk Balls - when these hit a mob, they spawn a cobweb on said mob, they drop from Spiders

Flint Caltrop - This is a throwable spike item that damages anything that comes in contact with it

Golden Minecart - This minecart is 10x the speed of a normal minecart, however it can detach from rails

Energized Mining Helmet - Mining Helmet that emits Light

Bomb - throwable explosive

Musical Instruments - makes sounds

magnet - pulls in nearby items

magnet tools - pulls in items on break

geodes - geodes are throwable items that when thrown produce a broken geode, which can be used in the stone cutter for extra ores

Vaces - Vaces naturally spawn throughout the world and act as mini chests

POTIONS:

Mining Potion - Gives haste 1 for 90 seconds and night vision for 2 minutes
brewed with Golden Berries

Aether Potion - Gives speed 1 for 90 seconds and slow falling for 2 minutes
brewed with Aether Fruit

Mustard Gas - Instakills people who drink it
Brewed with sulfur
Can be turned into a splash potion that damages nearby mobs and players

STRUCTURES:

Buried Church: this structure is the home to the brand new mob: Weeping Angels, theyre completely immortal and act similar to the Creaking, to loot this place your going to need to find a method to always look at them

Tower of Crystals: This tower starts from the bottom of the world and goes up to Y=40, each floor has loot in it and 1-2 monster spawners

Ruins: Ruins are destroyed buildings that spawn underground

Labyrinth: Labyrinth is a structure filled with spawners and chests

Undead Mineahaft: undead mineshaft is a structure filled with boosted mobs and tons of loot

Underground Outpost: Underground outpost is a structure filled with illagers, they have a new illager that breaks blocks to reach you as well as a varient of the allay at the top, said varient is tamable with glow berries and emits light for you

Ancient Forge: Ancient Forge is the building that contains the Soul Forge for endgame cavern calamity crafting

Sword Shrine: the Sword Shrine is a structure that spawns rarely, you can find it via a one block gab in the ground on the surface, it may have either have an iron sword, a wooden sword or the new weapon with a special ability, the Heros Sword

MOBS:

Mimic: Mimics attack similar to slimes, they spawn by randomly replacing chests in structures. after about 2 minutes with no target, the Mimic turns back into a Mimic Chest, you can silk touch the chest and take it with you

Hallow: the Hallow is a melee attacking hostile mob that hits very hard and inflicts blindness

Pixie: Pixies are tamable passive mobs, theyre tamed with Aether Fruit (rarely obtained from Aether Vines) when tamed they fly towards you and either give you speed or slow falling depending on the color

Molten: The Molten is a zombie mob that spawns in lava in caves, when it leaves the lava it places a trail of fire wherever it goes

Gem Crawlers: Gem Crawlers are passive mobs that fear every mob including players. when killed they drop the ore thats on their back

Creeder: Creeder is a Hybrid of a Spider and a Creeper:

Light Allay: the Light Allay is found in the Underground Outpost, its tamable with Glow Berries and it emits light wherever it goes

Sodalite Energizer: Sodalite Energizers shoot blue projectiles at nearby players

Mineologer: Mineologer is similar to a vindicator but can break blocks

(BOSS BATTLE) Floral Amalgam: Floral Amalgam has a ton of unique attacks like summoning spores to damage the player, erupting damaging vines from the ground and dashing to name a few, The boss drops the Exodium Forging Template on death and is summoned with the Genesis Seed dropped by wither skeletons rarely, the seed can only be planted on Withered Moss under y=0

Cavern Calamity (Cave Update V2)