The Observers follow Alta, Nika, and Zana.
They are known as "The Observers", they come from a race that can travel through dimensions and universes and try to learn from the worlds and their inhabitants they encounter.
Always observe, never interfere.
Nika, Zana and Alta are known as "Observers", their job is to collect information about different worlds and dimensions so that their race can learn and grow.
They aren't allowed to interfere in conflicts or overturn the balance of power, but Alta is confronted with a difficult choice.