User blog comment:Dragonzzilla/ME3 Multiplayer DLC I Ideas/@comment-4967682-20120501000654/@comment-4967682-20120501031323

Harbinger never fired a missile. He fired two types of biotic attacks: a Warp (which I think should be buffed if this is a sub-boss) and a biotic ball that knocks you out of cover. I'd imagine both of these would be vital to the fighting style of his stand-in.