I didn’t watch dragon ball hero’s and I’m already confused.
It's easy Goku was fighting against a demon god who devoured millions of universes to increase his power, unable to win future Gohan and Bardock with the power of the demonic dragon spheres and who served the ancient goddess ruler of time-space helped him , while the Z fighters and their allies from other timelines fought against the army of the demon god
It's easy Goku was fighting against a demon god who devoured millions of universes to increase his power, unable to win future Gohan and Bardock with the power of the demonic dragon spheres and who served the ancient goddess ruler of time-space helped him , while the Z fighters and their allies from other timelines fought against the army of the demon god