Chris Wraight said this quote

The gods demand entertainment. They demand trial and contest. We could not be allowed to defeat our own daemons, for that would be boring, and boredom is the only thing the eternals fear. We are being lined up, one by one, to tear at each other's throats. I do not think they wish to see a victor. I think they wish us to fight forever, locked in madness until the universe's end