Shattered While engaging in a fight with his nemesis, Dr. Eggman, Sonic the Hedgehog destroys the Paradox Prism, an ancient artifact with immense power. This causes a ripple in the space-time continuum, separating Sonic from his friends and sending him to New Yoke City, a dystopian version of Green Hills in a parallel universe ruled by the Chaos Council, five Eggman variants (Dr. Babble, Dr. Done It, Dr. Deep, Dr. Don’t and Mr. Dr. Eggman). Traveling through his new surroundings, Sonic is confronted by Nine, a variant of his best friend Tails who constructed mechanized tails as weapons against his childhood bullies, not having Sonic to help him. Sonic earns Nine's trust, and the young genius modifies Sonic's shoes and gloves to attune to the new energy in his body from the Prism. However, Sonic and Nine are captured, and Sonic is taken for tests run by Rusty Rose, a variant of Amy Rose turned into a subservient cyborg. When the variants threaten Nine, Sonic overworks his powers, causing him to generate a massive amount of energy. However, he notices what seems to be a hallucination of his rival Shadow the Hedgehog during the surge and flashbacks to an earlier confrontation with him.