Toss things into the well, get things back!
Simply attach items you own you'd like to toss in to trade for something new!
Tossing in familiars will get you familiars of same rarity!
Tossing in crafting materials will get you random crafting materials!
Tossing in unenchanted equipment will get you random unenchanted equipment!
Tossing in enchanted equipment will get you random enchanted equipment!
Tossing in corrupted equipment will get you random corrupted equipment!
Tossing in enchanted scrolls/tomes will get you a new enchanted scrolls/tomes of same rarity!
Tossing in corrupted scrolls/tomes will get you a new corrupted scrolls/tomes!
Tossing in traits/markings will get you a new trait/marking of same rarity!
Tossing in genos will get you a new geno with the same number of traits/markings!
Tossing in unique traits/markings will get you new unique traits/markings of the same kind!
Some items will not trade, however! Feel free to toss in whatever you'd like to try!