In terms of the essence of life, a Dou Emperor was roughly equivalent to Sequence 3, an Earthly Sovereign to Sequence 2, a Spirit Grade Heavenly Sovereign to Sequence 1, an Immortal Grade Heavenly Sovereign to a King of Angels, and a Saint Grade Heavenly Sovereign to a King of Angels with 1+2.
As for someone like the Immortal Great Emperor, who had left his surname on the Firmament Ranking, Amon had yet to reach that level himself and did not know much about it. His rough estimate was that such a person was comparable to a King of Angels with 1+3, like Bethel Abraham.
In the Lord of the Mysteries World, the underlying logic of the world was chaotic, with many loopholes in its rules that could be exploited. Though there was a difference in strength across a whole level of life, it had not yet reached the point where the gap was utterly impossible to cross.
Even an ordinary Archangel possessed the power to influence the outcome of a War of Gods, even if they only occupied an insignificant weight on the scales of victory.
For example, the Bell-Ringing Angel beneath a certain Fool, the Light of Doom, had even involved herself in the battlefield of the Ancient Ones as an Archangel!
But in the Battle Through the Heavens World, ranks were strictly hierarchical. Especially in the later stages, being one realm lower was the difference between clouds and mud. Even if a higher-ranked being was on the verge of death with only one breath left, even if they stood still without resisting, a lower-ranked person might not be able to leave so much as a wound on them.
Within the Eternal Tower was the Eternal Undying Body left behind by the Immortal Great Emperor. It could be