File:Quake1.gif R1M7: Tomb of the Overlord Game Episode Designer Level Editor Soundtrack Level Theme Previous Map Next Map Specific Information Enemies Secrets New Weapons New Powerups New Obstacles New Enemies New Misc [Source] The Tomb of the Overlord is the seventh and final level of Hell's Fortress. The Mission Pack's first boss, the Overlord can be found here, and killing him is required for the level's completion. One of the level's highlights is the large skull-shaped doorway that players have to pass through on their way to the tomb itself.