Super saiyan rose goke black and the immortal god zamasu is working to execute their zero mortals plan. basically,they want to annihilate all the mortal in existence. they have reached a stage where they do not even to kill even god for the greater good. as dragon ball schapter 16, informs  us that black goku killed the kaioshin of all the universes resulting in the death of all the gods of destruction. only the universes7 kaioshin were killed by babidi and dabura. black and zamasu are now seemingly unstoppable. our heroes goku and vegeta traveled into the futere to put an end to black chaos. 

by; Arif Hadafi