Board Thread:Questions and Answers/@comment-50.9.105.47-20140531013913/@comment-15681036-20150629133424

With the aid of his nox nyctores he can easily make Azrael hate him, start the fight, and loose all fighting spirit, causing azrael to be unable to attack, annoying him in the process, apply ouroboros to the wound and just continue with that for a bit.

He also has his azure grimoire that he could easily use to mess with Azrael and it's not because it makes him stronger, it's the whole soul drain effect that comes with it.