- Turn around and head out of the hallway to the West.
- Climb up on the stairs to the West.
- Head on through the doorway at the top of the stairs to the South and up the short set of stairs.
- Continue on up the stairs to the main level of Sanctuary.
- At the top of the stairs, turn to the East and turn to the South.
- Head for the door below the sign Moxxxi's.
- Go inside and you will find Moxxi.