Demons and Fallen Angels are responsible for a large number of supernatural and paranormal occurrences, and are behind many sinful activities, some of which are not detailed in specific in the Bible, but Are happening in present times.

All of the following supernatural things that demons or fallen angels are currently responsible for have been witnessed happening by myself, or are reliable 1st hand accounts from people I know. I have generalized a bit to help you better understand the broad scope of things demons and fallen angels can do. To clarify, an example of the extent of this generalization: I know someone who has seen a "mermaid", someone else who saw an "alien" and have seen some myself, someone else who saw a "gnome", but no one who has actually seen an "elf".

Satan, other fallen angels, and demons are responsible for:

1. People having "real-feeling" dreams and/or waking visions of the future, which may partially come true, which may seem to be warnings or may guide a person to do things, or may be totally neutral but unnerving.

People feeling they knew someone in a "past life", telepathic knowledge related to a "past life", a dream of a "past life", no matter how "real" it feels, even dreams of a "past life" which people assume must be memories because of how real the dreams feel, etc. Also false "memories" of this life. A person can receive "visions" in the present which feel like they are real memories. A person feels like they are remembering something, when they actually are receiving a demonic vision in the present tense as they are "remembering" the event, a vision that feels like a memory but is not a real memory at all.. This can include "screensaver memories" found in the alien abduction and Milab phenomena.

2. Any telepathic, telekinetic, pyrokinetic, or psychic phenomena or powers that a person seems to have, from small to large occurrences (Human beings have no supernatural powers of their own at all.) This includes all magical powers, from using "earth" energy, "Spiritual" energy, "Chi" energy, reading auras or energy of people or things, also Karmic balancing, threefold Wiccan returning, or Taoist powers, etc.

3. People seeing "Apparitions". Often "Apparitions" seem to happen in a pocket of reality that is not in sync with the rest of the world. (See All preceding Chapters on Powers and Physics of Demons and Fallen Angels, especially Demons, Fallen Angels, and Science)

For instance, a kid and his brother see a monster under a bed, and the kid tries to touch it, and it grabs his leg. He screams for his mother, who comes in, and the monster instantly lets go of his leg. His mother wants to know why he is screaming. The kid tries to explain what happened to his mother, and wants his brother to back him up- but the brother remembers nothing of seeing a monster, and claims the kid has just started screaming for no reason.

The kid experienced an "Apparition" of a fallen angel, which used it's powers to cause the kid to see and feel the monster under the bed, as well as to experience an "Apparition" of his own brother, thinking he was talking to and touching his real brother, but he was not. This "Apparition" was in a pocket of space-time out of sync with the rest of reality, but seamlessly spliced together with actual normal reality. To put it another way, the kid was "taken up in a moment of time" (Luke 4:5) and shown the monster, and a false image of his brother and the place where he was. From the brother's perspective, nothing happened- but from the kid's perspective it all really happened. And it did, in a "pocket" of reality out of sync with the rest of reality, a pocket that the fallen angel generated. It is possible to get cuts or bruises while experiencing an Apparition, and to be given objects that you still have after the Apparition is over. To the person experiencing it, an Apparition seems to happen in a normal flow of time, in the real world, and is Completely Real to all of the bodily senses.

"Apparitions" of ghosts, including having ghosts interact with you or others, even if the ghost is a dead relative, friend, or dead pet. Even if other people have seen the same ghost, with you or not, it is still a fallen angel apparition- even if you see it in a house that has been known to be haunted for 100 years. Remember, Satan and other fallen angels have been here since the time of Adam, and are very old, a hundred year haunting is only a short time to them. Just as it is possible to be given objects during an apparition, which remain with a person afterwards, it is also Sometimes possible to videotape, audiotape, etc. things you see that are apparitions, and this includes the audiotapes and all types of pictures of ghosts.

"Apparitions" of strange glowing floating objects, sometimes shaped like orbs, netting, or any other kind of obviously paranormal object you might see, whether it appears to be alive, intelligent, or controlled somehow, or not. Just as it is possible to be given objects during an apparition, which remain with a person afterwards, it is also Sometimes possible to videotape, audiotape, etc. things you see that are apparitions, and this includes the pictures and videotapes of Orbs and similar things.

"Apparitions" of seeing an alien or a UFO, including an alien or a UFO interacting with you, including alien abductions. Just as it is possible to be given objects during an apparition, which remain with a person afterwards, it is also Sometimes possible to videotape, audiotape, etc. things you see that are apparitions, and this includes some of the taped footage of UFOs. As it is possible to get cuts or bruises while experiencing an Apparition, and to be given objects that you still have after the Apparition is over, implants in the body, and physical damage to the body can occur with this type of Apparition. Both abduction implants and scars, even scars that match known man-made stun guns which can be imitated perfectly, can be caused by a fallen angel during an Apparition. Radiation burns caused by a fallen angel Apparition of a UFO are also possible. Though I must note that not all UFOs are necessarily fallen angel Apparitions, nor are all injuries from such an encounter with a UFO necessarily caused by a fallen angel Apparition, if the UFO in question  is not a case of fallen angel Apparition.

"Apparitions" of a mermaid, fairy, unicorn leprechaun, gnome, nymph, elf, and any magical creature you can think of, etc.

"Apparitions" of human-appearing strangers that seem to come out of nowhere, and say something to you that makes you feel morally confused about something good you just did, and then soon disappear back into nowhere.

"Apparitions" of people you know, like your close friend- and you know this because your close friend later can't remember your conversation with them or things you did together.

"Apparitions" of people who look like people you know, but seem a little different. Like you see a friend from school somewhere, and they normally don't have glasses, but now they do, and they tell you they have always worn glasses. You assume you must just not have noticed before. Later you see them at school and ask them where their glasses went, as they no longer have them, and they look confused and say they've never had glasses.

"Apparitions" of strange weather that other people don't remember, who should be able to remember seeing it.

"Apparitions" of strange places, like a small strange village of trailers surrounded by cornfields, in the middle of nowhere off of country back roads, a village on no map, no one has heard of in the area, that you drive by and see but cannot find again. Any place that is out of place in time, called Timeshifts or Spacetime shifts, might be included in this, and just generally any strange place that appears and then disappears.

"Apparitions" of anything strange or impossible seeming, like a cartoon gremlin talking to you through your TV, seeing monsters under your bed, etc. Anything strange and disturbing that just doesn't seem real or possible.

"Apparitions" of Angels, God, the virgin Mary, even if they interact with you, and a person should be especially wary of anything they have encouraged one to do, as fallen angels are very likely behind this. Stigmata (cuts like Jesus had on his hands, feet, and side) might also appear on a person's body, caused by fallen angels. Anything that is not the Holy Spirit Must be immediately suspect to be a fallen angel- even if a beautiful angel which seems Holy appears before someone. Actually Jesus warned of false prophets and miraculous signs that would deceive even believers, which in many cases is what fallen angels have been doing lately (Matt 24:10-12, Mark 13:22-23) Mohammed received knowledge from a fallen angel that presented itself as a good and Holy angel, and Joseph Smith the founder of the Mormons had similar experiences.

4. An animal behaving in a strange manner, being more friendly with you than normal, like a squirrel dancing with you, or an owl talking to you telepathically, or a spider or an insect acting strangely with you or communicating telepathically, or seeing animals or birds appear frequently that have some symbolic meaning to you. These might be apparitions caused by fallen angels but are far more likely caused by possessed animals with demons in them.

5. Feelings of deja vu, random feelings of disorientation, and feelings that you have lost time and are not sure where you have been. Feelings of "enlightenment", having a "revelation", having an "epiphany", etc. especially when a person then has a strong desire to go out and immediately do something, especially out of the routine, esp. without thinking or praying about it first or testing it against the Bible.

6. When someone seems to control the weather, like causing a rainstorm or tornado, even a hail storm- whether they "cast a spell" to "cause" this, make a wish, pray to spirits or gods, or "visualize" it happening and it does. Also, when any sort of "spells" seem to work for people, whether they are spoken ones, or elaborate ritualistic ones, or are attributed to "positive visualization".

7. A person hearing "nature", pagan gods, spirits, trees, the wind, thunder, the sun, the moon, the planets, etc. "talk" to them telepathically or give them "signs".

8. Remote viewing, bilocation, spirit traveling, astral planing, shapeshifting, making onesself "invisible", glamours, other Shamanistic practices, etc.

9. It is possible for demons to put thoughts in a person's head. People think in an "internal monologue" voice, which is their own. But, demons can perfectly imitate and mimic this "internal monologue" voice in a person's head, and make it seem to a person that they themself are coming up with thoughts, that are in fact not their own but are things that demons are "whispering in their ears", metaphorically speaking. Demons can also cause images of thoughts to appear in a person's  mind, which a person may think that they have constructed themself, but have actually not. On a similar note demons can cause a person to have dreams, and causing people to have repetitive dreams of something or someone is a very effective but subtle way they use to encourage people to Sin.

10. It is important to note that when Christian people try to hold seances, play "light as a feather stiff as a board", tell ghost stories, use an ouiji board, tarot cards, a magic 8-ball, look at horoscopes, read occult books, talk to the dead, recite spells, etc. they are opening themselves up to have demons put thoughts in their heads that will try to make them lose faith in Jesus and stray from Jesus, or cause supernatural things to occur that will make them lose belief in Jesus and stray from Jesus. A person can call them self a Christian, or seem to have good intentions, and still do these things (for example the TV show "Crossing Over" is all about helping people, but it in fact hurts them by leading them astray from Jesus).

11. Also "near death" experiences in which people almost die, or do die but are revived, and see a white light at the end of a tunnel, and angels calling to them are also suspect as being visions caused by fallen angels or demons. "Near-death" experiences that involve a person visiting or seeing Hell are definitely visions caused by fallen angels or demons, as the Lake of Fire is inaccessible today. Despite common misconceptions in both the world at large and the church, people do not presently go to Hell or the Lake of Fire when they die. The souls of all unsaved people are dormant until they are raised for judgment at the Second Resurrection, which has not occurred yet. As such no one goes to Hell or the Lake of Fire yet. Also, people cannot experience waking up at the Judgment in the future, and then come back to the present and be revived, as no one will experience waking up at the Judgment until after they are 100% permanently dead. In the same way I don't believe anyone can die, be revived a while later, and have seen Heaven either. The saved do not go to Heaven immediately after death, but also awake at either the First Resurrection of the Martyrs (to reign for 1000 years with Jesus on this earth after his physical return) or awake at the Second Resurrection for Judgment (Though they will be saved). So visions of Heaven are extremely likely to be caused by fallen angels as well. ((Heb 9:27 "Just as man is destined to die once, and after that to face judgment"))

12. A person seeing Jesus in the flesh. Jesus said that everyone would know it when he returned, and that people would claim he had returned, but to not be fooled.

"Then if anyone says to you, 'Behold, here is the Christ,' or 'There He is,' do not believe him. "For false Christs and false prophets will arise and will show great signs and wonders, so as to mislead, if possible, even the elect. "Behold, I have told you in advance. "So if they say to you, 'Behold, He is in the wilderness,' do not go out, or, 'Behold, He is in the inner rooms,' do not believe them." For just as the lightning comes from the east and flashes even to the west, so will the coming of the Son of Man be. (Matt 24:23-27)

As such anyone who claims to have seen Jesus in the flesh has been deceived with an Apparition, like Rev. Sun Moon of the Moonies who claims he met Jesus himself, and surely there are others, one being Kenneth Hagin.

Note:

But to balance the picture in truth, the Bible does say that there are many gifts of the Holy spirit. The Bible also says that in the last days God would pour out his spirit on men and women, and the young men would see visions and the old men would dream dreams. For example, Paul had an experience in which he heard Jesus and saw a bright light that blinded him, and John among others had a detailed vision (like an Apparition) from a Holy angel which is recorded in the book of Revelation. So not all visions and dreams and prophecy is Satanic. But we are encouraged to test the spirits, and Must do so. It is imperative that we test all things like this against scripture and pray in the power of the Holy Spirit for discernment. We must not stifle the Holy Spirit, but must also do as we are told to do, and test to see if something is from God or not. Also, the Holy Spirit determines what gifts a person receives, the choice is not ours, and gifts cannot be taught. A gift for discernment or tongues, or whatever, is given by the Holy Spirit, and cannot be taught and passed on by one person to another person.

Ultimately, God can work in people's lives as he chooses, but all things must be tested against scripture. According to scripture, we need to exercise caution. We are warned to be on guard against miraculous signs and wonders, so as to deceive even the elect. The more showy something is, the more likely it seems to be of Satan. If it doesn't match scripture, then it surely is of Satan. The fruits of supernatural things need to also be examined.

Both Christians and non-Christians are at risk from deceptions from demons and fallen angels. Non-Christians are targeted to keep them from salvation and to encourage them to believe in other belief systems than Christianity, and Christians are targeted in an attempt to make them ineffectual as Christians. All of us humans are targeted out of hatred, because they do absolutely hate us.

All people, even Christians, who do not attribute Satanic activities to Satanic entities are in fact believing both in Christianity and in an undefined second belief structure system. There is no place for ghosts, fairies, etc. and human generated supernatural powers, in Christianity, nor a disbelief in the fallen angels and demons mentioned in the Bible.