Song Qing hurriedly ran out of the secret room. He moved very quickly. After a few breaths, he came in with a thick blue-covered book and handed it to Xu Qi 'an respectfully.
Nowadays, the sorcerers of the Imperial astronomer were used to using the blue-covered book as their personal notes and hoped that it would become a tradition. He believed that after a few generations, the blue-covered book would be linked to alchemy and be labeled with an equivalent number.
In the future, when the outside world talked about warlocks 'alchemy, they would use the blue leather book as a reference.
Xu Qi 'an, the first founder of the blue leather book, took over Song Qing's alchemy manual, opened it, and scanned through it.
It was too long to look at ... He couldn't understand it ... He pretended to read for a long time, sometimes nodding and sometimes shaking his head.