Doom lord

The only known doom lord, Krosus, is one of the largest and mightiest creatures in the armies of the Legion.Krosus#Adventure Guide He is an amalgamation of fel species.Xal'atath, Blade of the Black Empire
Since Krosus is an amalgamation, "doom lord" might not be the race's name and seems to be more of a title, thus Krosus himself does not belong to the Ered'ruin species.
==References==
Category:Demons
Category:Burning Legion
Category:Titles
Category:Doomlord