time travelling doesnt exist. travelling across multiple universes would make it so that anything you did in a unverse you didnt originate in would have no effect on your own
nope. stepping out of your universe/timeline to the other only affects that other. course, the smount of time spent outside of your space is moving at its default speed so time in your world will have passed while you were out but none of your actions outside would change anything on your side
time travelling doesnt exist. travelling across multiple universes would make it so that anything you did in a unverse you didnt originate in would have no effect on your own
Wouldn’t it change everything from the perspective of the time/universe traveller though?
nope. stepping out of your universe/timeline to the other only affects that other. course, the smount of time spent outside of your space is moving at its default speed so time in your world will have passed while you were out but none of your actions outside would change anything on your side