Post-Apocalyptic Potter from a Parallel Universe

Harry Potter finally defeats Voldemort, but only after the world has been destroyed. Harry has his vengeance, but gets pulled into Voldemort's ritual and is dragged with his body to an alternate universe. This is the original and I am the original Author. I will make a note of it on the other site. https://www.fanfiction.net/s/13326497/1/Post-Apocalyptic-Potter-from-a-Parallel-Universe