Donnie's feathers bristle as Leo starts to grab him, his own panic spiking again. "You're okay, you're okay," he says, gripping Leo's shoulder as he looks at him.

He doesn't like that look, and he really doesn't want to leave either, but he won't let his brother suffer over injuries taken for him. When Leo finally acquiesces, it's like a kick in the stomach.

"I'll come right back. I promise," he says, forcing a smile as he gives Leo's shoulder a squeeze.

He rises, feeling even more reluctant to go, but he turns and jumps from the roof of the truck before he can change his mind. Just a quick run, get to the Tank, get those vials, get back to Leo...