Like, what race is he?
He's just human. He's only blue because of the thornmagic tattoos.
He is a human who, through the use of thorn magic and exposure to arcane energy, turned blue.
© 2013 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.