Sam is circling the counter as the waitress scrambles away from Dean and Castiel, a yellow mop bucket hefted over his head. He dumps it onto the Leviathan and she screams again, gurgling as she folds onto the floor like a puppet with its strings cut, melting into a puddle of hair, black blood and cloth.

Sam watches to make sure she's completely dead before turning to Dean and Cas, long strides bringing him to them in a matter of milliseconds. "Dean."