Killer Frost comes out to play against Cicada on The Flash Season 5 Episode 22. She's the secret weapon against the dagger, but can she take Cicada down for good?
Iris: Whatever the future brings we’re gonna deal with it when it gets here, and change it if we need to. Cisco: She’s right. If there’s anything Team Flash is good at, it’s handing the future it’s own ass and then some Caitlin: What he said.
Barry: Nora wait what are you doing?! You can't touch that, you'll contaminate the evidence! Nora: Sorry, you mean you don't have a scene wide modified bi-sonic frequency field to avoid cross contamination? Barry: I don't even think we have some of those WORDS yet!