C1373 Forbid Immortal Pill

Loong Jiaoyang could not help but fall silent when he heard this. This was undoubtedly an unbelievable secret. There were ancient formations that allowed one to enter the Dizhou in the Three Thousand Great Worlds as well. Doesn't this mean that many people were able to freely enter the Immortal Devil Realm back then?

However, in the endless river of time