Vault Guardian (wraith)
Alignment: Lawful Evil
Attack: Constitution drain, Wraith's Lingering Touch
Special Qualities: Incorporeal
Habitat: The Xorian Cipher — Protects the Vault
Description: The vault is located after two secret doors on the big room before the puzzle. If you approach the second one (even without finding to opening it), the Guardian will sense your presence and cross the wall to fight you.