Goku's constant usage and development of Ultra Instinct in Dragon Ball might be changing him permanently and it might even ...

That footage showcased a bit more of Goku Black in his Super Saiyan Rose Form as well as more of Mastered Ultra Instinct Goku ...

The reason could be that despite his declaration, Goku is not taking his son seriously, or that Mastered Ultra Instinct is now better than the True form. Either way, this battle has more questions ...