Bloodline Champions is an arena based action RTS game.
Its a lot like the arena in WoW, only its in 3rd person.
So basically you select a hero. Each hero has their own specialization like tank, ranged damage dealer, melee damage dealer and healer.
U can play 1v1, 2v2, 3v3 and so on.
I havent played it alot, i just started it today, but so far its cool. U rank up, get levels, achievements and coins.
Coins can be used to purchase items for your hero
The game is free to play. Here is a link to create youre own account so u can try it out.
http://www.bloodlinechampions.com/