Reverse AU with Shadowhunter Magnus and Warlock Alec?
First meeting:
The first time High Warlock Alexander Lightwood meets the infamous shadowhunter Magnus Bane, is as he watches the man drag another shadowhunter right up next to where Alec is sitting at the bar of his sister's night club, to then turn to the other shadowhunter and loudly announce that:
"Since the Inquisitor has forbidden me to inform any of my 'downworlder dalliances' of the current situation, I can only tell you, my fellow shadowhunter and best friend, that there have been signs of renewed circle activity and it is no longer certain that their leader, my mother, really died over a decade ago. As I have been told in no uncertain terms that I am not to share this information with anyone carrying demonic blood, I sure as hell hope that no one has overheard us now." He turns around to look at Alec. "Oh, hello there, gorgeous man who I have no idea who he could possibly be and is surely not in a position to warn the members of the downworld to be on the look-out for my psychotic mother and her followers."
(Because why not have it be the mother who is the genocidial maniac. And this way, there are several ways for Asmodeus to still be a prince of hell *and* Magnus' father. For example, Asmodeus could have still been an angel when he fell in love wiht Magnus' mother and slept with her, which causes him to fall, because lust and sin and all that. Which could make Magnus have extra angel blood. Or if Asmodeus was already a demon, a deal with the mother, resulting in Magnus' birth, but his heritage kept secret from him, and Asmodeus keeping the demon blood concealed because he probably wants to have an easier time manipulating him later on when all is revealed. Or whatever. Anyway, evil mom.)
