Lin Wan 'er knew about Wu Zhu's essay.

Lin Wan 'er learned of Wu Zhu's existence in " Celebrating Years." When Lin Wan 'er discovered that Wu Zhu was Lin Gong's murderer, she instantly turned black and decided to work with the Qing Emperor to set up a trap to kill Wu Zhu. However, Fan Xian stopped her in time. The specific details and plot description were not provided.

Lin Wan 'er learned of Wu Zhu's existence in " Celebrating Years," and discovered that Wu Zhu was the murderer of her brother, Lin Gong. This discovery made her feel anger and heartache. She decided to work with the Qing Emperor to set up a trap to kill Wu Zhu. However, Fan Xian stopped her in time. The specific details and plot description were not provided in the search results.

In " Celebrating Years," Lin Wan 'er learned of Wu Zhu's existence and that he was the murderer of her brother, Lin Gong. This discovery made her feel anger and heartache, so she 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 learned of Wu Zhu's existence and the truth behind his murder of Lin Gong. The specific details and plot description were not provided.

Lin Wan 'er learned of Wu Zhu's existence in " Celebrating Years." When she discovered that Wu Zhu was Lin Gong's murderer, she instantly turned black and decided to work with the Qing Emperor to set up a trap to kill Wu Zhu. However, Fan Xian stopped her in time. The specific details and plot description were not provided.

Lin Wan 'er learned of Wu Zhu's existence in " Celebrating Years." When she discovered that Wu Zhu was Lin Gong's murderer, she instantly turned black and decided to work with the Qing Emperor to set up a trap to kill Wu Zhu. However, Fan Xian stopped her in time. The specific details and plot description were not provided.

Lin Wan 'er learned of Wu Zhu's existence in " Celebrating Years." When she discovered that Wu Zhu was Lin Gong's murderer, she instantly turned black and decided to work with the Qing Emperor to set up a trap to kill Wu Zhu. However, Fan Xian stopped her in time. The specific details and plot description were not provided.

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 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.

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. 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. 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.