flash ,arrow ,supergirl, superman and kid flash

Killer frost shows up

Theirs a new a villain in town and her name sis is killer frost and she used to be Caitlin snow but her friend Julian tried to save her life by taking the necklace that was keeping her from turning into killer frost (she got them from the particle exelorator explosion and she kept her powers from team flash and when she found out she had the powers she took Ciscos meta human power stopper things (I don't know what they are called so bear with me) when they found out that she had the powers they tried to stop her from getting out of S.T.A.R labs but they failed ...