Ossuary
Shelved bones and skull walls. The floor itself bites: spikes rise out of the stone.
Boss
Floor 2. About 11–13 rooms.
Water slows you to 80% of your speed here.
Bone ColossusThe Long SpineOrvane the StringhandThe Skull GleanerThe Weeping VeilThe Yoked TwinsTraps and hazards
- Bone spikes: Every 2.6 seconds the tips poke out for half a second as a warning, then the spikes rise for 0.8 seconds. Standing on them then costs half a heart. Step off at the warning.
Special room layouts
Catacomb, Spike hall.