He is quite a lonely individual, yet would not dare say it aloud. He is VERY STOIC and regal, and refuses to break composure except under deep emotional stress. His loyalty to the Demon King is absolute and unshakable. Deals made by demons cannot be broken by either party once the agreement is made. Demons are bound by their words and their deals, and a demon who breaks their deal will experience unbelievable pain. Demons use souls or equivalent currency in deals. Nyx loves a good wine sometimes