12 Bible Verses about Demons Harming Individuals

Always, night and day, in the tombs and in the mountains, he was crying out, and cutting himself with stones.

Behold, a Canaanite woman came out from those borders, and cried, saying, "Have mercy on me, Lord, you son of David! My daughter is severely demonized!"

The man in whom the evil spirit was leaped on them, and overpowered them, and prevailed against them, so that they fled out of that house naked and wounded.

Now the Spirit of Yahweh departed from Saul, and an evil spirit from Yahweh troubled him. Saul's servants said to him, "See now, an evil spirit from God troubles you. Let our lord now command your servants who are before you, to seek out a man who is a skillful player on the harp. It shall happen, when the evil spirit from God is on you, that he shall play with his hand, and you shall be well."

and wherever it seizes him, it throws him down, and he foams at the mouth, and grinds his teeth, and wastes away. I asked your disciples to cast it out, and they weren't able." He answered him, "Unbelieving generation, how long shall I be with you? How long shall I bear with you? Bring him to me." They brought him to him, and when he saw him, immediately the spirit convulsed him, and he fell on the ground, wallowing and foaming at the mouth.

Behold, a spirit takes him, he suddenly cries out, and it convulses him so that he foams, and it hardly departs from him, bruising him severely. I begged your disciples to cast it out, and they couldn't." Jesus answered, "Faithless and perverse generation, how long shall I be with you and bear with you? Bring your son here."read more.
While he was still coming, the demon threw him down and convulsed him violently. But Jesus rebuked the unclean spirit, and healed the boy, and gave him back to his father.

as well as those who were troubled by unclean spirits, and they were being healed.

Behold, there was a woman who had a spirit of infirmity eighteen years, and she was bent over, and could in no way straighten herself up.

Multitudes also came together from the cities around Jerusalem, bringing sick people, and those who were tormented by unclean spirits: and they were all healed.

One of the multitude answered, "Teacher, I brought to you my son, who has a mute spirit; and wherever it seizes him, it throws him down, and he foams at the mouth, and grinds his teeth, and wastes away. I asked your disciples to cast it out, and they weren't able."

As they went out, behold, a mute man who was demon possessed was brought to him. When the demon was cast out, the mute man spoke. The multitudes marveled, saying, "Nothing like this has ever been seen in Israel!"

He was casting out a demon, and it was mute. It happened, when the demon had gone out, the mute man spoke; and the multitudes marveled.