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I have an idea, 20 years after Gamzee kills Damn near everyone, a Half Human Half Troll is synthesized within a Laoratory, with the ability to travel through time, and resurrect the dead. Just as well, he is able to break the paradox threshold to allow his will to be seen through, he goes back to before Gamzee discovers the pie, and Kills him using pyromancy, and then replacing Gamzee with a clone from the world P-R Delta 7, who is a suicidal mess. Let me know what you think.