In the Cang Qianshan Secret Realm.
A pair of master and apprentice sat beneath a tree, lost in thought. They looked somewhat haggard, and crumpled paper balls littered the ground all around them.
Lubei raised a hand to stroke his chin. The two old fellows were quite advanced in years, yet their energy was every bit a match for any youngster's. That being the case, he wouldn't disturb them.
Chapter 530