The Labyrinth achievements

Kill every Enemy type

Travel through 150 rooms

Spend at least 2,500 Gold on one item in a Blacksmith Room

Scale and Enchant an item in an Enchantment Room

Decide not to take any items in a Treasure Room

Traverse through 3 Combat Rooms in a row

Use every sacrifice in a Sacrifice Room

Use Backpack Fittings to expand your inventory

Traverse through 8 rooms without encountering a Combat Room

Instantly Kill an Enemy

Have 32 items at one time

Have a party member upgrade an Infinite Spell 25 times