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