Nightfall looks up as the drops fall and gives the Doctor an appreciative smile.
"That'll work."
He turns his attention back to Katrin as the rain continues, waiting until a wet sheen covers her. Long fingers pale and the tips turn blue as he calls upon his former Court's power and gently lays his hand on Katrin. Water turns to ice, first paper then, then thickening with the rain.
As water and oil begins spilling around them, Nightfall jerks back, then picks up Katrin's body in a spray of cracking, shattering ice.
"What the FUCK IS WRONG WITH YOU?!" he yells, focusing on Rust, eyes hardening as he splashes through the foul oil.
ST Edit: Didn't happen