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