C694 Shock from the Old Man

As his eyes slightly narrowed, the old man's dark gray eyes suddenly shot out a ray of cold light. Immediately after, he suddenly raised the cane in his left hand, and used the tip of the cane to knock on 'Ye Han's' forehead three times!

Ah!

And it was precisely this seemingly light and light three times of knocking that made 'Ye Han' to actually struggle in incomparable pain, while struggling