C235 Rejuvenation of the demonic realm

The word Devil Realm wasn't unfamiliar to Yao Yuan at all.

Not to mention the fact that he had recently heard about Great War of Good and Devil, even many of the literary works had descriptions of Devil Realm s.

Even though a lot of literary works were fiction, it was definitely based on a certain foundation. Before becoming a Cultivator, Yao Yuan had already heard of the legends of Devil Realm