Deviants evolve to become apex predators and start hindering Celestials' Emergences. Realizing that the problems was Deviants evolving, Arishem the Judge creates Eternals in the World Forge and makes them incapable of evolution. He implants false memories in them about living on a planet named Olympia and tells them that their mission is to help planets evolve. He sends them to various planets in order to fight the Deviants and ensure that Celestials can emerge. Sersi and Ajak are made.