How did one choose a suitable target for corruption?
For the Devils living in the Nine Hells—Baator—this was a discipline that valued experience and was well worth in-depth study.
Souls, as the most common currency in Hell, the fuel that drove machines and magic circles, the basic material for construction, and even the ladder by which Devils ascended in rank, held extremely high value in the Nine Hells. They were practically a strategic resource.
But just as currency on the Material Plane was divided into "gold, silver, and copper," there were also clear distinctions between souls in terms of value and rarity.
A bottom-rung Adventurer who spent his days loitering in taverns and keeping company with goblins, and a Legendary existence who had already reached the peak and stood atop the pyramid of Professionals;
A shabby vagrant seen everywhere on the streets, someone who might die in some dark corner at any time, and a supreme emperor who ruled a vast kingdom of hundreds of millions.
The value of their souls naturally could not be mentioned in the same breath.
Even simple differences in race—Elf, Dwarf, and human—each had their own unique "flavor" to the Devils, and they favored them according to their personal tastes.
Among them, the rarest, most precious, and most valuable were those souls that had originally been pure, kind, and steadfast.
When a devout Priest or noble Paladin willingly fell, taking the initiative to sign his own name on a contract, that indescribable, dreamlike pleasure—almost enough to send one to heaven—would make even the most experienced Devil tremble uncontrollably.
And before all of that, the natural and most important matter was this:
How, while keeping the target subjectively conscious and clear-headed, to make the other party willingly sign his true name on a Purgatory contract marked