C299 Ling Ling Dan

Hearing that, Hsiao Hee did not panic at all. There wasn't even any change in his expression.

He calmly took out a piece of paper made of special material and threw it onto the table between him and Old Master Yin.

"The pill formula is right here." Hsiao Hee said without even raising his eyes.

"How dare you!"

Old Master Yin glanced at Hsiao Hee in praise, "Good boy