Osyluths are bone devils, lesser Baatezu who resemble walking skeletons with leathery skin and long scorpion tails.
Osyluths are the police of Baator, constanty watching lesser baatezu castes and other denizens of the Nine Hells for deviations from Baator's Law. They have the power to teleport malefactors into the Lake of Fire in Phlegethos.
Sources:
Planescape Monstrous Compendium Appendix I
Faces of Evil: The Fiends
Monster Manual (D&D 3.5)
- 2129 reads