During his ten days at the sect, the most important task Chen Lie accomplished was resolving Nie Qingzhu's physical condition using the Heaven and Earth Pearl.

Nie Qingzhu's Great Zhou Heavenly Yin-Yang Saint Body, without a harmonizing element, caused the yin and yang energies to constantly clash within her, endangering her life.

However, after Chen Lie infused a wisp of Heaven and Earth energy from the pearl into her body,

Her physique advanced to the "Heaven and Earth Yin-Yang Body,"