Those who have completed the first four Initiations of Major Mysteries must begin the fifth, the creation of the causal body, which is related with willpower. Through the first four initiations, the initiate raised the kundalini in the physical body, vital body, astral body, and mental body, making the Innermost a Buddha. Now, with the fifth serpent of fire, the will of the Human Soul (Tiphereth) must reflect the will of the Father (Chesed), so that the will of Christ can be finally emerge.