It doesn't have an AP ratio right? So it still a magical spell or what is it? Would getting magic penetration in the offense tree help parlay?
There's a parrrley mechanics guide somewhere on this forum that explains this alongside a lot of other things. I'll give you a link in a bit if you want.
Parrrley is based on magic resist and magic penetration.
Edit: Here you go
© 2014 Riot Games, Inc. All rights reserved. Riot Games, League of Legends and PvP.net are trademarks, services marks, or registered trademarks of Riot Games, Inc.