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