C287 This King's Head Guarantee!

Hearing this, the imperial physicians were even more certain that Shen Yusu had brought back a Black Dragon recipe.

Shen Yusu stood up, looked at Shen Youhuang with cold and proud eyes, and said, "This king has brought along an ancient formula that has cured tens of thousands of patients with the plague. You do not believe that as long as this recipe is given to royal father to consume