After all, even the person who was wearing a feather robe and considered to be the most powerful alchemist had been reading this animal skin scroll until his death. He was so powerful that he was still studying it, which is enough to explain the problem.

Then, he took out the jade letter.

The so-called jade letter is a jade box, most of it is white and moist, it is a piece of beautiful jade, only one side has spots of blood stains, it is an ancient relic.