Because they still exist, just in a different way. Our world is different from other worlds, as there is this...space something outside of normal space and time. And under special circumstances, people can summon the semi divines, the mostly divines, the mundane of past and future.

And some of those chimeras, as you call them, are here, and tend to follow the old rules. Have you ever read Greek mythology? Or have it, where you're from?