At the Venerable Lord level, their strength might not differ by much, but there were still degrees of superiority and inferiority.
Those a level higher could not be slain even by invincible existences. The Southern Cloud Lord, the Great Venerable Fuyi, the Sky-Tearing Great Venerable, and the great cult leader of Black Demon Marsh, the Yama Cult Leader, were all among them. Only then did one have the right to be called an unparalleled overlord of World Heart Continent! Even invincible existences did not dare underestimate them. They dared to dominate their respective domains; some fiends of Black Demon Marsh even dared to enter the Summer Wind Ancient Kingdom and wreak havoc. Why? Because the Yama Cult Leader stood behind them.
At this level, they could tear all pretenses with invincible existences! Take the Southern Cloud Sacred Sect, one of the ten great sects, for instance...