C533 Getting Started with the Battle Sword

Boom!

Following that, a series of rumbling sounds came from the pitch-black waterfall, and a loud and clear ray of light flashed out from the center of the waterfall. The ray of light appeared and expanded quickly, and in the blink of an eye, four different types of space appeared. It was a gigantic door, and a few words that seemed to be rich and ancient were carved within it