Demon Bosses

Kra ' ilash the Igniter, Ne ' ethkin the Despoiler, Oughon the Bloodcurling, Usthrak the Devourer, Grand Abbot, Council Warmage, Wayland the Bandit Leader, Acantha the Spirit of Harmony, Vespa the Spirit of Power, Roth the Repugnant, Alpha Ravager, Demon Wolf, Khiil Urd, Skandari the Bloodletter, Drall the First.

Note: there may be others that I'm not aware of.