Stupid Vents!

This quest gives you the location of each vent, 5 are on the second level, 1 is on the third. Each on is high up on the wall and will spawn 4-6 Undead NPC's to kill. After you manually close all the vents your quest will update.Next you will find a command console with waypoint provided. Once you talk to it, your quest will end and start you on "What's Next?"