User blog comment:Abdelfadeel/Why is Cain so overrated?/@comment-173.44.55.179-20151110165507/@comment-26982641-20151112220223

Who or what confirmed it, when its been confirmed? Only thing we learned when Lucifer was possessing the Mark is he created first demon with it, and he gained absolute immortality. Basically he was corrupted and he was able to corrupt human soul.