Anyone take a close look at the trailer right here?
https://www.youtube.com/watch?feature=player_detailpage&v=bb31EADk9eA#t=30
Seems to me like the NPC asuras have some kind of frontal aoe cone that moves with them. Perhapse it’s a detection field? Perhaps we are going to replay Caithe’s memories of escaping from an Inquest lab or something?