C635 Overbearing poison

"So, if you have a better way, tell me."

But Fang Lingsu still couldn't say. That recipe was more painful than exchanging blood, it was no different.

Many of the poisons in the poisonous worm Hall were made by feeding people to their poisons and extracting blood to refine. The antidote was the same, so he could not let An Lingge try it out