Wait... I just realized that both the gray haired guy and the blue haired guy call themselves demon lord. Is that just a title in this universe? You would think there would be only one of them.
@Baysiri Grey dude is THE demon lord in the MC's world. And the blue dude, iirc, is one of the demon lords working under the demon sage or something. The latter is like being the CEO of Google while the former is like being the CEO of a random startup company.
@Baysiri It's cuz he controls the demons/beasts/whateverthefucktheyare to attack ppl -> Demon Lord. In most Chinese novels you don't have to be born a demon to be a demon, you're a demon if you practice/grow by killing people (draining blood, using corpses, refining human souls, etc.,). It's just a title others give him. To the MC he's a Demon Lord, to the big shots in the draconic realm he's just another excellent seedling.