How did Black know Beerus was dead in Trunks timeline.

[TobyS]

Black wishes to switch Bodies with Goku, kills goku, probably destroys the super dragonballs, probably destroys the regular DB's if he knows about them.

He flees to another timeline to get away from his timelines Beerus and other GOD's. We later see him observing Shin dying against Dabra and is pleased there is a timeline where Beerus is dead.

How would he know to go to Trunks timeline, and fast forward in time to where Beerus would be dead, how would he know what timeline and what point in time would be a good place to start?

My guess is he, knowing time travel is a sin, investigated the entire lifetime of all the Trunks's perhaps only starting with this one and getting lucky when he realises at some point Shin dies when fighting with Trunks.

[Hellspawn28]

He probably sense Shin's ki is gone and felt like it was the perfect time to strike. In the anime, it was heavy implied that Dabra killed Shin and Kibito as well. Trunks said "Many lives were lost on that day" meaning they got killed.

[TobyS]

He probably sense Shin's ki is gone and felt like it was the perfect time to strike. In the anime, it was heavy implied that Dabra killed Shin and Kibito as well. Trunks said "Many lives were lost on that day" meaning they got killed.

Right I get he can sense them being dead but how did he know to time jump to trunks area. Was he just jumping forward till he found a universe where a god dies? I get he'd check all timelines but to check the entire timestream Seems like an infinitely large job

[GreatSaiyaman123]

I think he only checked the timelines that generated time rings. Aren't they the only ones that deviate from the rest of the timestream?

[SupremeKai25]

He probably sense Shin's ki is gone and felt like it was the perfect time to strike. In the anime, it was heavy implied that Dabra killed Shin and Kibito as well. Trunks said "Many lives were lost on that day" meaning they got killed.

Right I get he can sense them being dead but how did he know to time jump to trunks area. Was he just jumping forward till he found a universe where a god dies? I get he'd check all timelines but to check the entire timestream Seems like an infinitely large job

But they are Gods whose job is to oversee hundreds, if not thousands of planets across the Universe, some most certainly much larger than the Earth. Observing the rise of mortal life across the Universe, wouldn't that also be an "infinitely large job"? And yet the Supreme Kais do it.

Ultimately they are Gods, not mortals. Observing all the streams of time seems rather impossible for a mortal, but not for a God. We have plenty of Deities in fiction who have the power/ability to see all potential outcomes, all potential streams of time, it's not unheard of.

I mean, even in Dragon Ball you got Zamasu in Heroes who went to 99 different timelines to kill 99 different Gokus and be unchallenged.

[TobyS]

He probably sense Shin's ki is gone and felt like it was the perfect time to strike. In the anime, it was heavy implied that Dabra killed Shin and Kibito as well. Trunks said "Many lives were lost on that day" meaning they got killed.

Right I get he can sense them being dead but how did he know to time jump to trunks area. Was he just jumping forward till he found a universe where a god dies? I get he'd check all timelines but to check the entire timestream Seems like an infinitely large job

But they are Gods whose job is to oversee hundreds, if not thousands of planets across the Universe, some most certainly much larger than the Earth. Observing the rise of mortal life across the Universe, wouldn't that also be an "infinitely large job"? And yet the Supreme Kais do it.

Ultimately they are Gods, not mortals. Observing all the streams of time seems rather impossible for a mortal, but not for a God. We have plenty of Deities in fiction who have the power/ability to see all potential outcomes, all potential streams of time, it's not unheard of.

I mean, even in Dragon Ball you got Zamasu in Heroes who went to 99 different timelines to kill 99 different Gokus and be unchallenged.

Now that you mention it Shin was able to find that one timelines future Zamas had done damage just as quickly so there's precedent for them easily being able to find these gaps and events in time if actively looking for them. I guess just a time ring and inhuman reaction speeds and ki sensing go a long way.