Those at this level are very rare and are very famous across the world they are only weaker than the Cult master level people.
The primordial spirit of a celestial being is strong enough to connect life and death. Death is Youdu under the primordial spirit's feet, hidden under the land of the spirit platform. When Youdu is formed, that's life and death.
Life is then the divine bridge which stretches above the primordial spirit and leads to the celestial palaces. After entering them, a person will leave the control of Youdu and no longer have a limited lifespan.