Either tank or healer for me, most likely healer. depends on the mechanics really, from the video about aiming seems healing will be quite interesting same with tanking. never been a fan of dps, having the power to save or destroy someone is awesome lol.
just so you know i charge 1 gold per 1 hps haha (i'm serious, best give that gold if you want them tasty heals)
I always consider myself a faction when it comes to healing. So if you piss me off to much, I will put you on heal ignore and try to heal around you.