In the Dark Realm.

Mountain ranges meandered across the horizon in the western frontier of the Great Wall. The Great Wall was a miracle of the formation martial way civilization. It was ten thousand meters tall, and fortified with countless formations, making it as sturdy as gold. After the Guardian's camp had painstakingly refined it over the years, the Great Wall could now be considered an impregnable fortification.

The loud booms from the battle drums thundered across the ...