The Convergence Paradox

Time-Travel/Multiverse shenanigans ensue when more than one Girl-Who-Lived end up in an alternate universe together. Unable to defeat Voldemort in their own respective realities, Prim and Iris are given a chance to change the fate of a universe that was doomed from the beginning. Can they succeed together where they failed alone? Pairings: OC/Neville, OC/Viktor, OC/Sirius, and more