A dark round chamber with smooth stone floors and walls. Light fixtures in the ceiling have been smashed. Six Arkean skeletons are strewn around the room; there are signs of an ancient struggle. The remains of other strange beings are also here in greater numbers, though most are impossible to identify. Lurking in the shadows, a drow assassin waits to ambush those who enter. The automated door to the east requires an ID card. The door to the west is unlocked. The door to the north is stuck (STR DC 15).