They come from different eras and universes, and were gathered by Fu with the intention to eventually release them to increase the excitement on the Prison Planet.
Dragon Ball Heroes
Prison Planet Saga
Main article: Prison Planet Saga In an extra chapter of the manga it is revealed that the Core Area Warriors agreed to partake in Fu's experiment so that the Universe Seed could be filled with energy.
One of the Core Area Warriors, Cunber, breaks out of the Core Area early due to his hunger for battle, he faces off against the gathered members of the Dragon Team and Time Patrol before eventually being defeated.
Universal Conflict Saga
Main article: Universal Conflict Saga
Oren and Kamin attack Universe 6, taking down Hit, Cabba, Kale and Caulifla as they do so, leading to Vegeta and Future Trunks having to come to their rescue. During the fight with the Saiyan warriors from Universe 7 they are pushed back and revelling in how much fun they are having they enter the wounds of Kale and Caulifla to continue the battle though leave their hosts when Trunks and Hit set up a trap for them that would lead them to being hit by Vegeta's Final Flash.
When the leader of the group, Hearts, arrives he shows his dominance over his enemies and states that using the Universe Seed he will take down Zeno, the Gods of Destruction and the Supreme Kai. Upon reading Hit's mind he determines that Jiren is the strongest mortal and heads to Universe 11 where his comrade Cunber is already preparing to face him after already having taken down Top.
Video game appearances
Upon being released, the Core Area Warriors obtained the Universe Seed that Fu had been preparing.
Lagss and later Kamin traveled to Universe 3 in order to use their technology to build the Universal Release Device.
- ↑ Cipher's tweet on Universal Conflict arc. twitter (January 10, 2019).
- ↑ Cipher's tweets on the SDBH 2019 Ultimate Tour Guide