Rong He had made every effort to protect Tang Zheng's interests, which was actually for his own sake as well. Given Tang Zheng's overly kind personality, if any of his classmates were injured, they would certainly get a sip of the potion. At a critical moment, that could mean the difference between life and death.
Don't believe in the effectiveness of the recovery potion? Zhao Dongtao, standing right beside them, was a living example. It had been less than thirty seconds since he drank it, and his wound had already stopped bleeding and started to scab over, unbelievably fast.