Guild Wars 2

Okay hypetrain… heat up the boilers!
http://www.ign.com/articles/2015/02/03/how-guild-wars-2s-mastery-system-could-change-mmos-forever?utm_campaign=ign+main+twitter&utm_source=twitter&utm_medium=social
“We have some new NPC races in the world,” he says. “One of them is the Itzel and when you meet them or start earning points in the Mastery System you can start learning some of their language. By doing that, that might unlock things that you weren’t able to access before, like possibly vendors or things like that."

I’m guessing they are the Hylek/Heket tribe that was seen in the announcement trailer.

New race or new tribe ? I guess new tribe.