Dragon Ball arc idea

I got the idea from the culling games in Jujutsu Kaisen. What if human warriors saw what was happening on Earth and for reasons of wanting to protect Earth, wanting to fight strong opponents, or both they are reincarnated. They are stronger because their powerlevel from the afterlife is somewhat past on, as we see with uub from kid but, and have higher potential. Maybe we finally have human forms and the human z fighters can pick up from this and get stronger.