In another timeline, a war has been raging between the Time Patrol and an evil army from the Dark Demon Realm, led by the Dark King Mechikabura. The conflict between them has reached its final battle, as the Supreme Kai of Time and a team of elite Time Patrollers have invaded the Demon Realm to deal with Mechikabura. Super Saiyan God Xeno Trunks and Super Saiyan 4 Xeno Vegito are battling against Mechikabura, while the others look on. Xeno Vegito overpowers Mechikabura, while the Supreme Kai of Time empowers Xeno Trunks's mystical Keysword with her magic, enabling him to injure Mechikabura. The Supreme Kai of Time then uses her magic to seal Mechikabura away, while...