As for basic magic skills manuals that were peddled in the black market, mysterious remaining copies of original texts or those of high quality aside, as long as they were ordinary copies recorded manually, there would ordinarily not be any reason to suspect that they were fake. It was one of the unwritten rules of the trade.
The Qi Guiding Formula was a method of the lowest level for practicing mystical skills. It was not even considered as mainstream but just an ordinary skill. As such, it could not be classified as either of the four major ranks - Divine, Heavenly, Earth or Human. Naturally, there was no risk of counterfeit copies of it existing in the market.
Even if it were so, its price was also not cheap for ordinary folk.
Ding Hao browsed through it once, and paid 500 taels o
