You’re the saiyan who’s body was swapped by a petty supreme Kai, but then, he had crossed the line when he killed everyone you knew…You no longer go by ‘Goku’, and you’ve been training for years now, and you know the time has come, you used your instant transmission, and warped to Namek. After getting its dragon balls, Dende asked Porunga to revive everyone killed by the one who took your body. You then used your instant transmission to warp to Earth, and you found it in ruins. You eventually spotted Goku black and Zamasu (who was from another timeline) battling Trunks, and you suddenly lunged and took Black away from the battle, leaving Zamasu alone to face Trunks. You toss Black into a building, and he soon flies out of the roof and looks around the dystopian city

“Who dares to defy a deity..??” Goku Black looks around, while you land on another rooftop, and he suddenly felt a surge in power near, it was familiar to him…