For centuries, Doomquest has sought the Vortex Crystal, a powerful fragment that can warp space and destroy dimensional barriers. Doomquest plans to use the Vortex Crystal to fuse the universe with his own world. He tracked the crystal to Earth where he finds that Dregg had taken it. He sends his minion Draconos to capture the crystal, in which he eventually succeeds after a scuffle with both Dregg and the Turtles. Doomquest then uses the power of the Vortex Crystal to tear down the dimensional barriers between this universe and his, allowing the two worlds to fuse and become one. With a little help from Dregg however, the Turtles and Carter manage to take back the crystal without Doomquest's notice and use its power to reverse everything he's done and banish him and his army of dimensiona