On this Earth, Kara and Lena are the only people from the Supergirl universe alive. They are fighting for their lives through hordes of Grimm and the people constantly hunting them. When one of their enemies transport them to Earth 1, they must navigate the earth and they learn that they are stronger together. They also end up in a fantasy land adventure as Kara and Lena try to learn more about themselves. Pairing: Lena x Kara (Supercorp) (Supergirl X RWBYX OUAT X Arrowverse Crossover with Frozen elements)
3 parts