"Never," he mumbles as he tries to fight off sleep. But his eyes haven't been open for a long time now, no matter how he's struggled, and he feels warm and lax and utterly wrung out, in ways not even the hardest training sequence or the most brutal battle has ever equaled. He knows part of it's his refusal to eat or drink, that it's just making him too weak to fight, but he also knows it doesn't matter; even at his best he could never hold his own against these beings and their dark magic. "Promise. Never."