It’s odd, in some ways, just how much Sargeras’ story is mirrored and echoed across the Warcraft universe. The idea of not having a choice — of having to follow one path, and one alone — is one that has been abundant in lore. Arthas and his slow path towards corruption, highlighted by the purging of Stratholme. Illidan and his embrace of both arcane and fel magics, at the expense of his familial and racial ties.
So too, is the story of the Draenei — one that began with Sargeras himself. The Eredar were a race of highly skilled masters of magic, renowned for their skills throughout the Great Dark Beyond. They built an entire advanced, shining civilization and lived peaceful lives…until the leader of the Burning Legion came.
And then their lives changed forever.