Finally, as Impact Hits are close combat attacks (albeit of an unusual type) any unsaved wounds they inflict count towards combat resolution, just as any more conventional close combat attacks would.
Djafs Incantation of Cursed Blades Cast on 7+Djafs Incantation of Cursed Blades is an augment spell with ,a range of 12". The target unit's close combat Attacks gain the Killing Blow ability until the start ot your next Magic phase.
There is a precedent for KB being applied to impact hits with the VC Black Coach.