Lin Wan 'er knew that Lin Gong was Wu Zhu.

Lin Wan 'er learned of Wu Zhu's existence in " Celebrating Years," and discovered that Wu Zhu was Lin Gong's murderer. She felt anger and heartache for this and decided to work with the Qing Emperor to set up a trap to kill Wu Zhu. However, in order to protect Wan 'er's feelings, Fan Xian hid the truth of Lin Gong's death from her. Thus, Lin Wan 'er finally forgave Wu Zhu. The specific details and plot description were not provided, so it was impossible to determine how she knew of Wu Zhu's existence.

Lin Wan 'er learned of Wu Zhu's existence in " Celebrating Years," and discovered that Wu Zhu was Lin Gong's murderer. This discovery made her feel anger and heartache. She decided to join forces with the Qing Emperor to set up a trap to kill Wu Zhu. In order to protect Wan 'er's feelings, Fan Xian hid the truth of Lin Gong's death from her. Thus, Lin Wan 'er knew of Wu Zhu's existence and that he had killed Lin Gong.

Yes, Lin Wan 'er had learned of Wu Zhu's existence in the novel Celebrating Years and discovered that Wu Zhu was Lin Gong's murderer. This discovery made her feel anger and heartache. She decided to join forces with the Qing Emperor to set up a trap to kill Wu Zhu. However, in order to protect Wan 'er's feelings, Fan Xian hid the truth of Lin Gong's death from her. Thus, Lin Wan 'er finally forgave Wu Zhu.

Lin Wan 'er learned of Wu Zhu's existence in " Celebrating Years," and discovered that Wu Zhu was Lin Gong's murderer. This discovery made her feel anger and heartache. She decided to join forces with the Qing Emperor to set up a trap to kill Wu Zhu. In order to protect Wan 'er's feelings, Fan Xian hid the truth of Lin Gong's death from her. The specific details and plot description were not provided, so it was impossible to determine how she knew of Wu Zhu's existence.

Yes, Lin Wan 'er had learned of Wu Zhu's existence in " Celebrating Years " and discovered that Wu Zhu was Lin Gong's murderer. This discovery made her feel anger and heartache. She decided to join forces with the Qing Emperor to set up a trap to kill Wu Zhu. However, in order to protect Wan 'er's feelings, Fan Xian hid the truth of Lin Gong's death from her. Thus, Lin Wan 'er finally forgave Wu Zhu.

Lin Wan 'er learned of Wu Zhu's existence in " Celebrating Years," and discovered that Wu Zhu was Lin Gong's murderer. This discovery made her feel anger and heartache. She decided to join forces with the Qing Emperor to set up a trap to kill Wu Zhu. However, in order to protect Wan 'er's feelings, Fan Xian hid the truth of Lin Gong's death from her. Thus, Lin Wan 'er finally forgave Wu Zhu. Thus, based on the information she had provided, Lin Wan 'er knew that Wu Zhu had killed Lin Gong.

Lin Wan 'er learned of Wu Zhu's existence in " Celebrating Years," and discovered that Wu Zhu was Lin Gong's murderer. This discovery made her feel anger and heartache. She decided to join forces with the Qing Emperor to set up a trap to kill Wu Zhu. However, Fan Xian hid the truth of Lin Gong's death from Lin Wan 'er because he was worried that Lin Wan' er would be heartbroken and might do something extreme. The specific details and plot description were not provided, so it was impossible to determine how she knew.

Lin Wan 'er learned of Wu Zhu's existence in the novel Celebrating Years and discovered that Wu Zhu was Lin Gong's murderer. This discovery made her feel anger and heartache. She decided to join forces with the Qing Emperor to set up a trap to kill Wu Zhu. In order to protect Wan 'er's feelings, Fan Xian hid the truth of Lin Gong's death from her. Thus, Lin Wan 'er found out the truth behind Wu Zhu's murder of Lin Gong.

Lin Wan 'er learned of Wu Zhu's existence in " Celebrating Years " and discovered that Wu Zhu was Lin Gong's murderer. This discovery made her feel anger and heartache. She decided to join forces with the Qing Emperor to set up a trap to kill Wu Zhu. In order to protect Wan 'er's feelings, Fan Xian hid the truth of Lin Gong's death from her. Thus, Lin Wan 'er knew about Wu Zhu.

Lin Wan 'er learned of Wu Zhu's existence in " Celebrating Years," and discovered that Wu Zhu was Lin Gong's murderer. This discovery made her feel anger and heartache. She decided to join forces with the Qing Emperor to set up a trap to kill Wu Zhu. However, in order to protect Wan 'er's feelings, Fan Xian hid the truth of Lin Gong's death from her. Thus, Lin Wan 'er finally forgave Wu Zhu. The specific details and plot description were not provided, so it was impossible to determine how she knew of Wu Zhu's existence.