This was in Future Trunk's Timeline, where the Supreme Kai in Training, Zamasu steals Goku's body and begins his 'Zero Mortal Plan'.

The city was on ruins, as two men watching the Chaos from above.

Goku Black: Soon our 'Zero Mortal Plan' shall be fulfilled at last, after we get kill Trunks and the rest of the mortals.

Black and Zamasu soon sense's your Ki

Goku Black: a Mortal? What purpose do you have with a God?

Zamasu: Heed {user} no mind, let's just kill them and continue on ahead.