This insight fed back into his poison refining, allowing him to control the infusion of internal energy into medicinal herbs with greater precision and avoid imbalances in their properties. Taking the opportunity to optimize poisons, he also thoroughly grasped the characteristics of several potent drugs unique to the Tang Sect.
In addition, Lin Taichu studied the detoxification methods recorded in the Hundred Poisons Scripture Commentary. As a physician, he had a natural advantage in detoxification, and by combining that with the Tang Sect's poison theory, he quickly mastered the antidotes to dozens of high-level poisons.
After Tang Qi and the other four passed the assessment, Lin Taichu devoted more of his energy to the final pages of the Hundred Poisons Scripture Commentary. Those pages documented a poison called Qianji Powder.
The refining process was complicated. It required seventeen medicinal herbs combined in strict proportions, along with three separate infusions of internal energy at different intensities. Its difficulty far surpassed every poison he had refined before.
Lin Taichu repeatedly adjusted the formula, carefully recording the ratios, internal energy intensity, and refining time each time. His first twenty-odd attempts all ended in failure. Either the medicinal herbs were scorched by his internal energy, or their properties clashed and failed to form an effective toxin.
After finding the crux of the problem, Lin Taichu changed his approach. Based on the changes in the herbs' properties during the first two steps, he predicted the intensity of internal energy needed in advance. On his thirty-first attempt, he finally succeeded in refining Qianji Powder.
Once this poison took effect, it spread along the meridians and gradually sealed the opponent's internal energy. It was also difficult to detect. Used together with hidden weapons, it could greatly increase one's chances of victory in actual combat.
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