C1430 Mysterious Heaven Gate

Xiao Lang smiled as he watched Cheng Yanqing calm down. He was afraid that this old man had been guarding the treasure for his entire life, but he didn't know how to use it. Now that he happened to run into Xiao Lang, he naturally wouldn't let the old man return empty-handed.

"Old man, you all should look at the first page first. The first page is talking about some cultivation techniques