Fan Xian went to Taiping Courtyard several times.

Fan Xian went to Taiping Courtyard because the Qing Emperor had given him a mission. After the Qing Emperor exhorted Fan Xian to return alive, Fan Xian left Jingdou and took Wang Qinian and the elite Tiger Guards to Taiping Courtyard. Taiping Courtyard was an important place. The Qing Emperor had sent heavy troops to guard it and reminded Fan Xian to pay attention to a few people, including Brocade Guard commander Shen Zhong, Northern Qi Great Grandmaster Ku He, Xiao En's adopted son, Shang Shanhu, and Ku He's disciple, Northern Qi saint Haitang Duoduo. After Fan Xian entered Taiping Courtyard, he found the Qing Emperor inside. The reason the Qing Emperor was killed in Taiping Courtyard was that Fan Xian's wet nurse held a very high position in his heart, so he had saved Fan Xian's life. Furthermore, Fan Xian had always been very loyal. The Qing Emperor began to let go of his suspicions of him. Regarding the secret of Taiping Courtyard, Fan Xian knew that Ye Qingmei had left behind a mechanism, but he did not mention what secret it was.

In the end, Fan Xian did indeed go to Taiping Courtyard. In the 20th episode of " Celebrating the Years," Fan Xian went to the bottom of Taiping Courtyard with Wang Qinian to search for the Barrett sniper rifle bullets at the bottom of the lake. After a while, Fan Xian successfully obtained the bullet.

In the end, Fan Xian did indeed go to Taiping Courtyard. In the 20th episode of " Celebrating the Years," Fan Xian went to the bottom of Taiping Courtyard with Wang Qinian to search for the Barrett sniper rifle bullets at the bottom of the lake. After a while, Fan Xian successfully obtained the bullet.

In the end, Fan Xian did indeed go to the bottom of Taiping Courtyard's lake. In the 20th episode of " Celebrating the Years," Fan Xian went to the bottom of Taiping Courtyard with Wang Qinian to search for the Barrett sniper rifle bullets at the bottom of the lake. After a while, Fan Xian successfully obtained the bullet.

Yes, Fan Xian finally went to the bottom of the lake in Taiping Courtyard. In the 20th episode of " Celebrating the Years," Fan Xian went to the bottom of Taiping Courtyard with Wang Qinian to search for the Barrett sniper rifle bullets at the bottom of the lake. After a while, Fan Xian successfully obtained the bullet.

Fan Xian had indeed gone to the bottom of Taiping Courtyard's lake. In the 20th episode of " Celebrating Years," Fan Xian went to the bottom of Taiping Courtyard with Wang Qinian to search for the Barrett sniper rifle's bullets at the bottom of the lake and successfully obtained the bullets. Fan Xian's goal in going to the bottom of the lake was to understand the truth.

Fan Xian had indeed gone to the bottom of Taiping Courtyard's lake. In the 20th episode of " Celebrating Years," Fan Xian went to the bottom of Taiping Courtyard with Wang Qinian to search for the Barrett sniper rifle's bullets at the bottom of the lake and successfully obtained the bullets. Fan Xian's goal in going to the bottom of the lake was to understand the truth. According to the information provided, there was a forbidden door at the bottom of Taiping Courtyard's lake. This was the ultimate location of all secrets. The Forbidden Door could be a laboratory with modern high-tech equipment, such as mobile phones, navigation, computers, etc. The secret at the bottom of the lake might have something to do with Fan Xian coming to this world. It was an experiment from the previous civilization.

Yes, according to the information provided, Fan Xian had indeed gone to the bottom of Taiping Courtyard's lake in the end. In the 20th episode of " Celebrating Years," Fan Xian went to the bottom of Taiping Courtyard with Wang Qinian to search for the Barrett sniper rifle's bullets at the bottom of the lake and successfully obtained the bullets. Fan Xian's goal in going to the bottom of the lake was to understand the truth.

The details of Fan Xian's search for the forbidden door in Taiping Courtyard were not mentioned. The search results mentioned that there was a forbidden door at the bottom of Taiping Courtyard's lake. This was the secret Ye Qingmei had left for Fan Xian, and also the final location of all secrets. The Forbidden Door was related to Fan Xian's " transmigration." It involved Fan Xian's birth and the experiments of his previous life. However, the results of the search did not provide the details of Fan Xian's search for the forbidden door in Taiping Courtyard. Thus, it was impossible to determine whether Fan Xian had successfully found the forbidden door.

The details of Fan Xian's search for the forbidden door in Taiping Courtyard were not mentioned. According to the results of the search, there was a forbidden door at the bottom of Taiping Courtyard's lake. This was the secret Ye Qingmei had left for Fan Xian, and also the final location of all secrets. The Forbidden Door was related to Fan Xian's " transmigration." It involved Fan Xian's birth and the experiments of his previous life. Whether or not Fan Xian had found the forbidden door required further watching the drama " Celebrating Years " to understand.