Thunder of the Universe

The Xuanyuan Ancient Realm, imprinted with the mysterious earth from all directions, it was said that it had existed for countless ages, and it was said that it held the hopes of all living beings! 
So what if he was a mortal, what if he was a cultivator, what if he was a Buddhist, and what if he was a fiendish demon? However, he was a passerby in the mortal world!