Item Types:
Equipment - improves random stats when equipped to your miner
Scrolls - can craft into a various qualities of equipment
Potions - can drink for single-use effects
Gems - can be permanently socketed into equipment to enhance them
Equipment Qualities:
Magic - drops by 67% chance, has 2 random attibutes
Rare - drops by 14% chance, has 2 random improved attibutes
Legendary - drops by 3% chance, has 3+ random attibutes
Epic - drops by 0.6% chance, has many attibutes and increased sockets
Fabled - drops by 0.1% chance, has many attibutes and lots of sockets
??? - drops by ?% chance, has many attibutes and tons of sockets
??? - drops by ?% chance, it's pretty much insane
??? - drops by ?% chance, does it even exist?