The battle rages on multiple fronts, with Erebus creating illusions and distortions to confuse and mislead the heroes. Trunks and his team discover that Erebus is being fueled by the dark energies of the Kaioshin Realm, and that its power is growing by the minute.
As they enter the Dragon Ball Z universe, they are met with unexpected allies and foes. Vegeta, Goku, and other Z-Warriors are initially wary of the newcomers, but they soon realize that their help is crucial in defeating the looming threat.
Trunks, the future Super Saiyan, is patrolling the timestream when he receives a distress signal from an unknown source. The signal is coming from a strange, uncharted realm - the PS Vita world. As he investigates, he finds himself face-to-face with a group of powerful warriors from the Battle of Z universe.