Gongsun Qingyue's Wushan Divine Woman Dao Fruit comes from Yaoji, the daughter of Emperor Yan.
Yaoji died unmarried and was buried in the yang of Wushan. Her essence soul did not perish; instead, it attached to the spirit grass and transformed into the Wushan Divine Woman.
The essence soul depending on the grass during the Wushan Divine Woman Dao Fruit promotion ceremony referred to this process.
Gongsun Qingyue could attach her essence soul to the spirit grass, crafting an incarnation that could substitute for her in death at critical moments and could also wander in this incarnation. However, the incarnation made by the essence soul depending on the grass could not act simultaneously with the original body; once she chose one form, the other would fall asleep.
And if the distance from the original body was too far, the incarnation would disintegrate and the essence soul would struggle to return to the original body.
This was the drawback of the Yaoji Dao Fruit.