C65 It Seems like an Old Friend Had Come

Now that he relied on his master's medicine, he could temporarily stop the poison from acting up. Right now he was in a coma, similar to a vegetable state, and if he dragged it on for too long, it would result in a brain death, which would be no different from a real dead person.

I can only think in the best direction. I don't know what it means to Master if anything happens to Eldest Brother