He had no idea where Susan was any more, but concentrating on the Death Eaters he was battling, he couldn't think of that right now. He'd just sent a stunner off to one of them, when the sound of a shout caught his attention. Turning he spotted Lucius Malfoy, falling to the ground, dying apparently, though it was the person lying next to him that made Cass' blood go cold.
Ogden. Fuck! Percy!
Everything seemed to happen in slowmotion after that. He saw Harry, watching the same scene he did fall. He was close enough that he could almost hear the crack as he went down, or maybe it was just his imagination. Knowing he needed to do something, he Apparated to Harry's side, throwing a powerful hex in the direction of the Death Eater, to distract him, watching as Harry's stunner hit.
'How hurt are you?' he asked, screaming over the sounds of the battle.