Xiao En knew that the secret of the temple was related to the location of the temple and how he and Ku He had seen Ye Qingmei walk out of the temple. Before Xiao En died, he told Fan Xian this secret. After Fan Xian learned of it, he reacted and finally told Xiao En that he was Ye Qingmei's son.

Sean knew the secret of the temple. He knew the location of the temple and had seen Ye Qingmei come out of the temple. However, the specific temple secrets were not explicitly mentioned in the search results provided. Therefore, based on the information provided, it was impossible to accurately answer that Sean knew what the specific secret of the temple was.
Xiao En knew that the secret of the temple was related to the location of the temple and how he and Ku He had seen Ye Qingmei walk out of the temple. Before Xiao En died, he told Fan Xian this secret. After Fan Xian learned of it, he reacted and finally told Xiao En that he was Ye Qingmei's son.
Xiao En and Ku He had once entered the temple together and rescued Ye Qingmei. The temple was a mysterious place with high-tech equipment, including robots and other high-tech items. Xiao En and Ku He had received Ye Qingmei's guidance in the temple, which had improved their martial arts. Xiao En knew the location of the Temple and had once revealed this secret to Fan Xian. Ku He did not want this secret to be leaked, so he sent people to assassinate Xiao En. The location of the temple was a secret that only Ku He and Xiao En knew. The temple was probably located in the North Pole, the end of modern civilization and the beginning of the development of the old society.
After going through many hardships, Sean led a troop of 1,000 people all the way north and finally found the temple at the North Pole.
The temple that Sean mentioned in " Celebrating Years " was a secret place, and its exact location was revealed at the beginning of the plot. Xiao En told Fan Xian the secret of the Temple. He had once gone to the Temple with Ku He and had seen a four-year-old fairy outside. The little fairy gave Ku He a martial arts manual and Xiao En a pill. This secret allowed Fan Xian to know the exact location of the Temple and that the Qing Emperor was his biological father. Therefore, the temple that Sean had mentioned was an important place, and it had a key impact on the development of the plot.
In the original novel Joy of Life, the secret of the temple was a military museum that preserved the technology center and the most advanced weapons left behind by human civilization from the previous era. The Temple was controlled and managed by a top-notch computer and was related to Ye Qingmei, Fan Xian, and other characters. The specific location and interior appearance were not clearly described. The temple didn't have much energy, but it had many cultivation and martial arts manuals. The controller of the temple was a top-notch computer that stored the entire process of the previous world from birth to death. Ye Qingmei was one of the few people who knew the secret of the temple. Her servant Wu Zhu was a robot in the temple. The purpose of the temple was to prevent another war from breaking out and to protect human civilization. The specific details were not explained in detail, but it was confirmed that the temple was a huge weapons museum, which collected many of the most advanced weapons of mankind.
The secret of the temple was that it was a military museum that preserved the advanced weapons created by human civilization in the previous era. The temple was actually a relic of the previous world. It was similar to artificial intelligence and stored the entire process from birth to death. Fan Xian's mother, Ye Qingmei, was one of the few people who knew the secrets of the Temple. Her servant, Wu Zhu, was a robot in the Temple. Grasping the secrets of the Temple was equivalent to grasping the overwhelming power to rule Qing Kingdom. The temple was not only a weapons museum, but also a forbidden area for weapons.
The secret in the temple was about the ruins of the last civilization of the previous world. The temple was similar to artificial intelligence, storing the entire process of the previous world from birth to death. Its purpose was to prevent the world from repeating the same mistakes. The temple was a huge weapons museum, with many of mankind's most advanced weapons. Fan Xian's mother, Ye Qingmei, was one of the few people who knew the secrets of the Temple. Her servant, Wu Zhu, was a robot in the Temple. Grasping the secrets of the Temple was equivalent to grasping the overwhelming power to rule Qing Kingdom. There was no detailed information about the other secrets in the temple.
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