What if the Ultra Dragon reunited with the Ninja in Hunted?

As was confirmed by Tommy Andreasen, the Ultra Dragon suffered a grisly fate after returning to the Realm of Oni and Dragons, being hunted and killed by the Dragon Hunters and ultimately turned into Iron Baron’s throne. But what if that hadn’t been the case, and the Ultra Dragon managed to survive up to the original four ninja and the young Wu’s arrival in the First Realm in Season 9? How do you see the Ultra Dragon reuniting with its former riders and assisting them in their fight against...