Where Do the Ranks of Evil Powers Come From?

We certainly do not doubt that those orders the apostle lists refer to them: “For we do not wrestle against flesh and blood, but against principalities, against powers, against the world rulers of this darkness, against spirits of wickedness in heavenly places.” But we want to know where so great a difference between them comes from, or how such grades of wickedness exist. Were they created for this, to fill these orders of evil and in some way to serve this wickedness? [a]