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