Justus groaned in pain and doubled over as the fist slammed into his gut. He growled angrily, his lips pulling back into a fierce snarl that showed off the dog's massive blood-splattered teeth. Inwardly, though, part of him was grinning. With the first prisoner sans a foot - and likely to quickly bleed out on the ground - he'd have plenty of time to eat this one. His hands shot out to grab at the prisoner's punching arm, to keep him from pulling it away.