C645 Saber in the Sleeve

"How long can you maintain this change?"

Lin Su stared out of the window at the changing moon and pondered for a while. He turned his head to look at Taoist Le Tian and asked curiously.

Taoist Le Tian obviously knew what Lin Su was referring to, but it was related to his comprehension of the Tao, and comprehending this kind of thing was not a fixed cultivation technique manual