Heavenly Devil (6)

 "Simple. We first need to strengthen our Spiritual Power, which requires consuming the spirits of various items. The types of spirits needed depends on the individual. I, for example, only needs the spirits of cloth and armor, and can't absorb anything else.

 After we have strengthened our power sufficiently, we need to form five Spiritual Flowers within us, which would absorb all leftover Spiritual Power to bloom and bear a single fruit. If we succeed, we enter the second phase, which we call Spiritual Fruit." 

 San Bu paused, seemingly waiting for Lu Sheng to process the information. 

 "After that is the third phase. If the Spiritual Fruit sprouts and grows into a sapling, it would extend many branches to cover itself, forming a new body. This is the Final Form.