That's right, from the very beginning, Bai Yu had poisoned the Rebel Revered One.

The poison wasn't in the food or the medicinal soup, but on the gauze!

People are usually very cautious about what they eat, like food and medicine, but they subconsciously ignore gauze.

Moreover, the gauze used by the Rebel Revered One was specially made, with anesthetics to relieve pain, making it even harder to detect.