Raptor

Need I say more:

Guildwars 2: Path of Fire trailer

Guildwars 2: Path of Fire - Expansion

 And its coming out at the end of September. I don't know much else yet as I haven't watched the 22 minute video linked below:

But take note other game company's, this is how you should announce stuff. This is what it is and its coming in a few months time not a year. Bethesda did this for fallout 4 and it was great.