The Only Reliable Psychic is Christ Jesus
Christianity was originally promoted based on spirituality as written in 2 Corinthians 12 by St. Paul:
Christ Jesus also said some spiritual matters and miracles:(2 Corinthian)2 I knew a man in Christ above fourteen years ago, (whether in the body, I cannot tell; or whether out of the body, I cannot tell: God knoweth;) such an one caught up to the third heaven.
3 And I knew such a man, (whether in the body, or out of the body, I cannot tell: God knoweth;)
4 How that he was caught up into paradise, and heard unspeakable words, which it is not lawful for a man to utter.
(Matthew 17)
20 And Jesus said unto them, Because of your unbelief: for verily I say unto you, If ye have faith as a grain of mustard seed, ye shall say unto this mountain, Remove hence to yonder place; and it shall remove; and nothing shall be impossible unto you.
Put simply, Christianity is based on spiritual matters, miracles, and supernatural events. From the beginning, the God, Angels, Heaven, Satan, evils spirits, the hells, the spirit world, and human spirits and souls are all related to paranormal phenomena that cannot be observed with human eyes in daily or real life.
Therefore, believing in Christianity means believing in these paranormal phenomena. However, it is not only Christianity that deals with paranormal phenomena and teaches spiritual matters or the way to the God. Even in these centuries, there have been specific people who can show their psychic power to draw people's attention or establish new religions in various countries such as India, Japan, etc.
Some of them perform miracles, evoke and communicate with spirits of the dead, invoke former lives of followers, and display other paranormal events. It seems that they were given such ability by nature. They often praise the Buddha, Christ Jesus, etc. Some of them claim that they are another Buddha, another relative or Disciple of Christ Jesus, or that they are sent by the God. They sometimes claim that they are on an equal footing to that of Christ Jesus, the Buddha, and other past great saints.
It cannot be denied that there are other people than Christ Jesus, the Buddha, etc. that have supernatural power, psychic ability, religious ability, etc. They may not behave like Satan or evil spirts pretending saints. However, sometimes they claim that the God is in them and the God is the minds of people, so that they and their followers are a kind of god, which seems to be against the teaching of Christ Jesus. The God, the Son of the God, the holy spirit, and the mankind born from flesh cannot be identical. A man cannot be a god.
Satan and evil spirits used by Satan can also exercise their own spiritual power. They may even perform miracles like Christ Jesus. Especially, it is written in the Gospels that as the end of the world comes close, there would appear someone who are controlled by Satan but could perform miracles.
The more people get interested in spiritual matters, the more Satan brainwashes and tries to rule those with psychic ability.
As Christian churches have not put much weight on spiritual mattes in these centuries, there are many people who do not believe in existence of the afterlife. But, those who believe in the afterlife and spiritual matters are facing a danger, a crisis, or a trap set by Satan who is trying to brainwash them with ultimately wrong ideas such that everybody is a god.
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Mark 4, King James Version
4 And he began again to teach by the sea side: and there was gathered unto him a great multitude, so that he entered into a ship, and sat in the sea; and the whole multitude was by the sea on the land.
2 And he taught them many things by parables, and said unto them in his doctrine,
3 Hearken; Behold, there went out a sower to sow:
4 And it came to pass, as he sowed, some fell by the way side, and the fowls of the air came and devoured it up.
5 And some fell on stony ground, where it had not much earth; and immediately it sprang up, because it had no depth of earth:
6 But when the sun was up, it was scorched; and because it had no root, it withered away.
7 And some fell among thorns, and the thorns grew up, and choked it, and it yielded no fruit.
8 And other fell on good ground, and did yield fruit that sprang up and increased; and brought forth, some thirty, and some sixty, and some an hundred.
9 And he said unto them, He that hath ears to hear, let him hear.