He was idly aware that he had removed a fairly significant portion of the creature's chest, which should have it dead from loss of blood, shock, and organ damage. That it was still moving implied undead, but it was only an implication because he wasn't sure what else might be out there. He did however switch to his sword, after finishing the reload, and double tapped the fire rune on the hilt, sheathing the blade in a wreath of ethereal fire. He then set himself, and quite calmly swiped at its neck, intending to sever the head from its shoulders.