C519 Dharma volume

After Xuan Chen obtained the Nine Heavens Divine Thunder Arts, he then strolled around in this vast expanse of white space. He did not discover anything and it was quite some time ago, so he came out of it quickly.

Arriving at the originally small, square space, he looked around at the other two doors. His palm touched the engravings on the middle of the room, but the door did not respond