God sent angels in to kill entire cities. Floods to cleans the earth of human filth.
Have you ever read Michael Heiser’s book, “Unseen realm”, or the “reader’s digest version”, “Supernatural”?
I highly recommend both, actually. The first is about 1/3 footnotes and is incredibly detailed. The second whets your apatite for what is in the former.
Fact is, the bible isn’t kidding when it says “For we do not wrestle against flesh and blood, but against the rulers, against the authorities, against the cosmic powers over this present darkness, against the spiritual forces of evil in the heavenly places.” - Ephesians 6:12