Chapter 11: The Weight of Exoskeleton Armor and Inheritance (7800)

Clearly, this was a collaboration.

The Soul Plunder ability of the Deceased Monarch essentially targeted the souls of its 'subjects' who acknowledged its consensus. After a person died, it collected those Artificial Souls within itself, forming various structures as part of its ability.

This Soul Plunder ability evolved over time and, in the future on the Spirit Disaster Path during the Terra Spirit Gods era, evolved into the 'Guiding Ability'.

Back then, no matter where the deceased were in Terra, and no matter the cause of death, as long as they had made a contract with a Deceased Monarch during their lifetime, or in other words, had faith in a Spirit God, their souls would be protected by that Spirit God's power after death and delivered into the God Core of the Spirit God.