A Rift upon dimensions [Reader Insert]

A long time ago people predicted that visions could control and predict the future. Many people with this sort of ability sometimes get themselves in pretty bad situations, mostly other people as well.

When an AU ignored this, the timeline corrupted sending two beings to different AUs, they are now separated and now need to work alone to get back together. Their quest is to gain help from other Alternate Universes, one must collect orbs the other must gain friendship from them. Avoiding to get killed as well.

One of the siblings have a sort of power that makes them one of the most powerful in the multiverse, because of this three people are on the hunt for them. One to protect them and get them on the good side, the other two to cause destruction or even kill them.

During the siblings adventure. They journey their own way through different universes made by different Authors, Y/N is the main character in these universes. Their story changes in each multiverse. When that one sibling goes to each multiverse the memory of once being in that multiverse previously will dissapear. So if they go there again, they'll just feel like they're new.

Y/N is their distant cousin.

What effect will they make?