Ning Cheng did not dare to continue refining the second furnace of Qian Yuan Tian Dan. Without figuring out the reason for the failure, even if he refined a hundred furnaces of Qian Yuan Tian Dan, he feared they would all fail. It was the first time he had encountered such a situation since he had learned alchemy. He had no idea what caused the failure after the alchemy failure.
Qian Yuan Tian Dan was very precious, but the recipe for it was not. Basically, all the big sects knew about it. Therefore, Ning Cheng did not doubt there was an issue with the recipe.
His level of alchemy was probably at the peak within the entire Taisu Realm. Now that he had encountered an issue that he could not resolve, other than repeatedly failing to find the cause, the only option left was to ask Qiutian Sichen, who was also said to be a Dao Yuan pill saint; otherwise, he really had no other way to solve it.
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