After a period of careful consideration and research...

At last, Fang Qiu combined three new prescriptions in his mind. Never had he tried them before. In theory, all three prescriptions could work.

The mysterious black substance was not known with complete certainty. Fang Qiu wrote out the three prescriptions according to the ancient prescriptions of Dan Pellets.

Notably…

In ancient times, prescriptions of Dan Pellets could cure ...