Get the powered-up version of Brago and Sherry in Zeno's story. To do this, after defeating Brago and Sherry in Zeno's story, go to the park. Defeat powered up Brago/Sherry, who are encountered randomly. Then, successfully complete Zenos story to unlock powered up Brago/Sherry. Afterwards, use powered up Brago in Time Attack mode against normal opponents, and not the powered up version if you have it. On the final level you should fight Ponygon. Defeat him to unlock him. Ponygon has no spells. If you try to use one, a "?" will appear on his head.