Kil'jaeden, however, was intrigued by the neighboring orcs. Through his protégé Gul'dan, he quickly succeeded in corrupting them. Smoothly manipulated from a state of wary acceptance into blind rage and blood lust, the orcs attacked the draenei. This bloody conflict lasted nearly eight years, but the orcs' triumph was unequivocal. The orcs killed over eighty percent of the draenei race and sent the rest fleeing for safety to the remote corners of the world. Draenei who had fought the Horde and survived found that they had been affected by the fel energies wielded so freely by the orc warlocks. These draenei have since mutated into lesser forms, resulting in a series of subspecies.