Here is the full list of all 13 NECROPOLIS: A Diabolical Dungeon Delve achievements.
Traverse down a Level without using an elevator.
Slay an enemy using a power attack.
Find and equip a new suit of armor.
Recover your first Codex.
Die from a trap.
Die for the first time.
Survive longer than your average dungeon delver.
Eat or drink an unidentified item.
Craft your first item.
Recover all Codexes.
Escape the Necropolis.
Obtain fifteen thousand gems.
Learn to craft everything.