C4181 First Time Hearing about the Spacetime Secret Realm

According to Zuo Wenn.

They had offended some people here. Later on, there was an arranged battle, and both Zuo Wenn and Zhu Yuhua were injured. Zuo Wenn was looking for a place to buy some healing Medicine Pill, but in the end, he happened to meet Luo Xiu who had come to the Dark Shadow World.

Luo Xiu followed Zuo Wenn and brought Zhu Yu Hua back