C1189 Lithotripsy
"The Saints have told us that this is a technique to train the body of Hua Country's Heng Lian."
"When you use your body to strike against the rock wall, your bones and skin will be broken. Once they heal and grow back, they will become more and more resilient."
"In the end, you can use your bare hands to grind the rock layers into smooth walls."
Ai Kehan was looking forward to it