● Matt 25:41 . .Then he will say to those on his left: Depart from me, you who are cursed, into the eternal fire prepared for the Devil and his angels.
The Greek word for "angels" is aggelos (ang'-el-os) which is one of the Bible's many ambiguous words. It means messenger; and it isn't limited to spirit beings.
For example at Matt 11:10 it refers to John the Baptist. A Luke 7:24 it refers to John's disciples. At Acts 7:53 and Gal 3:19 it refers to divine apparitions in the form of voices, fire, smoke, earthquakes, and a human likeness. At Jas 2:25 it refers to the spies that hid out at Rahab's home. At Rev 1:20-Rev 3:14, the word aggelos refers to high-ranking church officers.
So, we have in view at Matt 25:41 not only spirit beings, but quite possibly also human beings who serve as messengers for the Devil, e.g. preachers, ministers, Sunday school teachers, deacons, missionaries, evangelists, cultists, etc; whose version of Christianity is a doctored version rather than Christ's.
● 2Cor 11:13-15 . . For such are false apostles, deceitful workmen, masquerading as apostles of Christ. And no wonder, for Satan himself masquerades as an angel of light. It is not surprising, then, if his servants masquerade as servants of righteousness. Their end will be what their actions deserve.
I have a personal interest in this matter. My eldest brother is a Friar; he and I are both now in our mid to late seventies. My brother has been spending his entire adult life obedient to Rome and propagating Catholicism. If it turns out that version of Christianity differs from Christ's, then my brother won't make it to safety when he passes on. His life's work will go up in smoke, and he'll be branded forever as one of the Devil's angels. That possibility does not set well with me.
TALLY UPDATE: 261 days have elapsed since beginning the thread. If the figures in post #1 are in the ball park, then something like 15,897,249 arrivals have checked into the fiery sector of hades since Sept 03, 2018.