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