[He doesn't have any time to react, can't even get a sound of surprise out before she turns on him-]
[...Cold. A cold he's had nightmares about more than he can count, and now it's back. Only this time, it's so fast, and he's fully conscious. He can feel the ice as it engulfs him, eyes wide with shock and perhaps even fear. Not of Elsa... just the thought of this again and-]