C436 Dragon-suppressing and dragon-locking

"It seems that this matter is indeed extremely difficult!" Lin Bai reached out and rubbed the center of his tightly knitted brows, then said softly, "Master Zhang, why have you stayed in Kaifeng all these years without taking even half a step out?

The ancients had the clouds: three years to seek the dragon, ten years to point the acupoints. Although these words were exaggerated