Biblical

In 1960 Michael Harner took ayahausca and experienced this:

"As I tried to accept my fate, an even lower portion of my brain began to transmit more visions and information. I was "told" that this new material was being presented to me because I was dying and therefore "safe" to receive these revelations. These were the secrets reserved for the dying and the dead, I was informed.

I could only very dimly perceive the givers of these thoughts: giant reptilian creatures reposing sluggishly at the lowermost depths of the back of my brain, where it met the top of the spinal column. I could only vaguely see them in what seemed to be gloomy, dark depths. Then they projected a visual scene in front of me. First they showed me the planet Earth as it was eons ago, before there was any life on it. I saw an ocean, barren land, and a bright blue sky.

Then black specks dropped from the sky by the hundreds and landed in front of me on the barren landscape. I could see that the "specks" were actually large, shiny, black creatures with stubby pterodactyl-like wings and huge whale-like bodies. Their heads were not visible to me. They flopped down, utterly exhausted from their trip, resting for eons. They explained to me in a kind of thought language that they were fleeing from something out in space. They had come to the planet Earth to escape their enemy. The creatures then showed me how they had created life on the planet in order to hide within the multitudinous forms and thus disguise their presence.

Before me, the magnificence of plant and animal creation and speciation-hundreds of millions of years of activity-took place on a scale and with a vividness impossible to describe. I learned that the dragon-like creatures were thus inside of all forms of life, including man.() They were the true masters of humanity and the entire planet, they told me. We humans were but the receptacles and servants of these creatures. For this reason they could speak to me from within myself."
"These revelations, welling up from the depths of my mind, alternated with visions of the floating galley, which had almost finished taking my soul on board. The boat with its blue-jay headed deck crew was gradually drawing away, pulling my life force along as it headed toward a large fjord flanked by barren, worn hills.

I knew I had only a moment more to live. Strangely, I had no fear of the bird-headed people; they were welcome to have my soul if they could keep it. But I was afraid that somehow my soul might not remain on the horizontal plane of the fjord but might, through processes unknown but felt and dreaded, be acquired or re-acquired by the dragon-like denizens of the depths.

I suddenly felt my distinctive humanness, the contrast between my species and the ancient reptilian ancestors. I began to struggle against returning to the ancient ones, who were beginning to feel increasingly alien and possibly evil. " 

Revelation 12:7-13

King James Version (KJV)

⁷ And there was war in heaven: Michael and his angels fought against the dragon; and the dragon fought and his angels,
⁸ And prevailed not; neither was their place found any more in heaven.
⁹ And the great dragon was cast out, that old serpent, called the Devil, and Satan, which deceiveth the whole world: he was cast out into the earth, and his angels were cast out with him.
¹⁰ And I heard a loud voice saying in heaven, Now is come salvation, and strength, and the kingdom of our God, and the power of his Christ: for the accuser of our brethren is cast down, which accused them before our God day and night.
¹¹ And they overcame him by the blood of the Lamb, and by the word of their testimony; and they loved not their lives unto the death.
¹² Therefore rejoice, ye heavens, and ye that dwell in them. Woe to the inhabiters of the earth and of the sea! for the devil is come down unto you, having great wrath, because he knoweth that he hath but a short time.
¹³ And when the dragon saw that he was cast unto the earth, he persecuted the woman which brought forth the man child.