Eddie felt claws sink into his ankle and he shouted in surprise. He fell forward under the combined shock of her body collapsing and the cat goring his ankle. They came crashing forward into the table where Penny's wand was laying, knocking it down and breaking a nearby lamp.
Eddie regained his balance and kicked the Kneazle off of himself before fleeing towards the front door. He didn't want to be unmasked in the struggle and he assumed, because she had collapsed, that she was already dead. Eddie fled into the dark and apparated home.