1 It happened also upon a time, that when the servants of God came and stood before the LORD, Satan also came among them, and stood before him.
Bible verses about "fallen angels" | MSTC
44 Ye are of your father the devil, and the lusts of your father, ye will do. He was a murderer from the beginning; And abode not in the truth, because there is no truth in him. When he speaketh a lie, then speaketh he of his own. For he is a liar, and the father thereof.
14 And no marvel, for Satan himself is changed into the fashion of an angel of light.
12 For we wrestle not against flesh and blood: but against rule, against power, and against worldly rulers of the darkness of this world, against spiritual wickedness for heavenly things.
7 And there was great battle in heaven, Michael and his angels fought with 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, that old serpent called the devil and Satan; Was cast out. Which deceiveth all the world. And he was cast into the earth, and his angels were cast out also.
2 And he took the dragon, that old serpent which is the devil and Satan, and he bound him a thousand years: 3 and cast him into the bottomless pit, and he bound him, and set a seal on him, that he should deceive the people no more, till the thousand years were fulfilled. And after that he must be loosed for a little season. 4 And I saw seats, and they sat upon them, and judgment was given unto them: and I saw the souls of them that were beheaded for the witness of Jesus, and for the word of God: which had not worshipped the beast, neither his image, neither had taken his mark upon their foreheads, or on their hands: and they lived, and reigned with Christ a thousand years. 5 But the others of the dead men lived not again, until the thousand years were finished. This is that first resurrection.
1 Ye beloved, believe not every spirit: but prove the spirits whether they be of God, or not: for many false prophets are gone out in to the world.
6 The angels also, which kept not their first estate, but left their own habitation, he hath reserved in everlasting chains under darkness unto the judgment of the great day: 7 even as Sodom and Gomorrah, and the cities about them — which in like manner defiled themselves, with fornication, and followed strange flesh — are set forth for an example, and suffer the vengeance of eternal fire.
8 Be sober, and watch. For your adversary the devil, as a roaring lion, walketh about, seeking whom he may devour:
9 And the great dragon, that old serpent called the devil and Satan; Was cast out. Which deceiveth all the world. And he was cast into the earth, and his angels were cast out also.
1 And it came to pass, when men began to multiply upon the earth and had begot them daughters, 2 the sons of God saw the daughters of men that they were fair, and took unto them wives, which they best liked among them all. 3 And the LORD said, "My spirit shall not always strive with man, for they are flesh. Nevertheless I will give them yet space, a hundred and twenty years." 4 There were tyrants in the world in those days. For after that the children of God had gone in unto the daughters of men and had begotten them children, the same children were the mightiest of the world and men of renown. 5 And when the LORD saw that the wickedness of man was increased upon the earth, and that all the imagination and thoughts of his heart was only evil continually, 6 he repented that he had made man upon the earth and sorrowed in his heart. 7 And said, "I will destroy mankind which I have made, from off the face of the earth: both man, beast, worm and fowl of the air, for it repenteth me that I have made them." 8 But yet Noah found grace in the sight of the LORD. 9 These are the generations of Noah. Noah was a righteous man and uncorrupt in his time, and walked with God. 10 And Noah begat three sons: Shem, Ham and Japheth. 11 And the earth was corrupt in the sight of God, and was full of mischief. 12 And God looked upon the earth, and lo it was corrupt: for all flesh had corrupted his way upon the earth. 13 Then said God to Noah, "The end of all flesh is come before me, for the earth is full of their mischief. And lo, I will destroy them with the earth. 14 Make thee an ark of pine tree, and make chambers in the ark, and pitch it, within and without, with pitch. 15 And of this fashion shalt thou make it: The length of the ark shall be three hundred cubits, and the breadth of it fifty cubits, and the height of it thirty cubits. 16 A window shalt thou make above in the ark. And within a cubit compass shalt thou finish it. And the door of the ark shalt thou set in the side of it: and thou shalt make it with three lofts — one above another. 17 For behold, I will bring in a flood of water upon the earth to destroy all flesh from under heaven, wherein breath of life is, so that all that is in the earth shall perish. 18 But I will make mine covenant with thee, that both thou shalt come into the ark and thy sons, thy wife and thy sons' wives with thee. 19 "And of all that liveth, whatsoever flesh it be, shalt thou bring into the ark, of every thing a pair, to keep them alive with thee. 20 And male and female see that they be, of birds in their kind, and of beasts in their kind, and of all manner of worms of the earth in their kind: a pair of every thing shall come unto thee to keep them alive. 21 And take unto thee of all manner of meat that may be eaten and lay it up in store by thee, that it may be meat both for thee and for them." 22 And Noah did according to all that God commanded him.
6 The angels also, which kept not their first estate, but left their own habitation, he hath reserved in everlasting chains under darkness unto the judgment of the great day:
4 For if God spared not the angels that sinned, but cast them down into hell, and delivered them in chains of darkness, to be kept unto judgement;