Even more maps.
Mapcounts:
Atriums - 5 (2 x 5door, 3 x 10door)
Boss Rooms - 43 (20 x normal, 18 x miniboss, 3 x outdoor boss, 2 x umbra vortex)
Hallways - 22 (18 x 5door, 4 x 10door)
Mission Staging Areas - 1
Mystery Puzzle Rooms - 10
Smallish Generic Rooms - 1
Stairs - 18 (7 x 5door, 3 x 10door, 8 x solitary)
Total No. Of Maps - 100