Bab 1562: Target: Subduing Demon City!

Meryl took out a piece of white paper and drew a circle in the middle, with two tips on opposite sides of the circle. "Look here. This is the structure of the World Tree. The circle in the center is the Celestial Path, linked to countless universes, countless beings living within each universe.

"The sharp cone at the top is the Upper Realm, and the sharp cone at the bottom is the Lower Realm you see before you. To be more specific, the Middle Realm is the largest, like a beehive, home to countless universes. Meanwhile, the Upper Realm and Lower Realm are like pyramids, ordered into levels.

"If you want to find Xia Fei and the others, you will have to go down a level, perhaps even more than that. The lower the level, the greater the difficulty!"