Played Graves in coop (since I don't have time to play a game vs real people) and I'm guessing he'll be nerfed a little soon. That ulti alone has way too much team fight power.
Path of Exile Ambush League - Lvl 93 Ball Lightning Witch - zKenzorz
League of Legends (EU WEST)[Active] - Kenzorz
NA GrandChase - Kenzor