I main a hunter and would like to say night stalker is not over powered but i cant it's very easy to get multi kills with the super with black hole and a grenades you can just do that and Leave same with wombs combo and smoke is basically a second grenade that slows you down with perks that can turn your whole team invisible or your stuck in a damage dealing cloud the super can also shit down supers which is extremely useful and then there's shade step and tracking people through walls