The Purpose Of The Expedition

"-imagine that there's a Greater Realm in the control of humans and another Greater Realm in the control of magical beasts in the first layer. Below them are numerous Upper Realms in the second layer, but a portion of these Upper Realms are space-locked under the Greater Realm we humans possess and another portion under the Greater Realm controlled by the magical beasts."

Davis started to explain with an amused tone, "Now, imagine that you want to go to an Upper Realm situated underneath the Greater Realm of the magical beasts' control from the Upper Realm situated underneath the Greater Realm of the human's control."