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Pang Feng's visit to Jiufeng Pharmaceutical was tremendously rewarding, mainly because observing their traditional Chinese medicine processing and manufacturing inspired significant insights for his own alchemy equipment.
Unfortunately, despite the excellence of Pang Feng's Copper Coin Heritage, it included records of alchemy equipment that Pang Feng didn't possess. Moreover, it was the Age of Dharma Decline, so it was impossible for him to find the necessary pill furnaces or similar items.
Therefore, he had to rely on modern techniques for processing traditional Chinese medicine, coupled with his own ingenious experiments, to concoct the elixirs he required.
Of course, Pang Feng's method was certainly not orthodox. Since his cultivation base was low, he could use this approach, but to create more advanced elixirs in the future, he would need to find his own pill furnace and seek an appropriate alchemical flame.