Percy Jackson and the Olympians and Mortal Instruments crossover prompt:

Percy Jackson is actually Magnus Bane/replaces Magnus Bane

Preferred pairing: Alec LightwoodxPercy Jackson

Percy actually has cat eyes but he hides them using contacts, Mist, magic, etc.

His parents are Lilith and Poseidon

Possibilities: His demigod friends figure out his secret when they attend one of his parties, Sally is one of his descendants, Jace his this joke of always flirting with him when Alec is around in order to piss Alec off.

If you want to use this prompt, please PM me so I can read it and/or take this down, Thanks!

XXX, shiningsilverwolf