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Tang Yu looked at it, but it didn't matter. At first glance, he was shocked.

To Tang Yu's great surprise, it was not a red medicine, but some small particles, which were light blue. The real Chengdan was a round blue medicine. Tang Yu knew that this was a failure. Sure enough, Super Dan is not so easy to make.

"Ouch..." Tang Yu shook his head helplessly. It was really a pain in the neck. He failed to waste so much energy. He had to say that it was a great blow to people. But if you think about it, the minimum strength is the same. The gap between...