Here is the full list of all 13 NECROPOLIS trophies - there are 9 bronze, 3 silver and 1 gold.
Find and equip a new suit of armor.
Eat or drink an unidentified item.
Craft your first item.
Die to a trap.
Traverse down a Level without using an elevator.
Recover your first Codex.
Recover all Codexes.
Slay an enemy using a power attack.
Escape the Necropolis.
Obtain fifteen thousand gems.
Learn to craft everything.
Survive longer than your average dungeon delver.
Die for the first time.