Iced Cave -Generates underneath colder biomes, coated in ice and far to slippery for parkour

Molten Cave -Generates underneath warmer biomes, the ground is typically magma but you have a good chance to find far too much gold here

Obsidian Reserve -Generates underneath any biome and is covered in obsidian which makes it difficult to mine for ores

Infested Cave -Generates underneath any biome and is filled with far to many bugs (silverfish)

Explosive Cave -Generates underneath any biome and can contain several hundred pounds of C4

Graveyard Cave -Zombies rise up from the ground covered in the dirt created by their rotting corpses

Amethyst Cave -Exactly as it sounds, it is also filled with swarms of allays

Coal Reserve - Lots of coal, lots of creepers

Nether Cave -Filled with netherrack, quartz, and zombie piglins

Panda Reserve -Bamboo cave filled with jungle creatures

Endstone Cave -The floor is made of endstone and the environment there is purple

The Depths -Don't tell Nintendo, its dark

Glowstone Reserve -Bright and even more bright

Illager Mine Cave - Generates in neutral temperatures and humidity, contains various illagers and their corresponding structures (as well as extra emeralds)

Radioactive Cave - Generates in neutral temperatures and humidity, contains green water and strange visual effects, you will be poisoned going there but at least there is a lot of gold and emeralds