In the Fairy Slaying novel, the 'hundred-year plan' mentioned by Yun Yilan of the Valley of Incense referred to a series of actions planned by the Valley of Incense to achieve a long-term goal. It was said that this plan involved the interests of the entire martial arts world, including smaller sects like the Chord Temple and the White Snake Sect. To be specific, the goal of the " Hundred Years Plan " was to unify the Valley of Incense and establish a strong order in the martial arts world. In order to realize this plan, the leader of the Valley of Incense, Yun Yilan, and his disciples had put in a lot of effort, including training talents, formulating strategies, and strengthening internal unity. Although this plan had gone through many twists and turns, it was finally realized through the efforts of Yun Yilan and his disciples. It had become the cornerstone of the long-term development of the Valley of Incense.