11 Bible Verses about Demons Harming Individuals

All night and day among the tombs and the hills he shrieked and gashed himself with stones.

And a woman of Canaan came out of these parts and wailed, "Have pity on me, Lord, O Son of David! My daughter is cruelly possessed by a daemon."

And the man in whom the evil spirit resided leapt at them, overpowered them all, and belaboured them, till they rushed out of the house stripped and wounded.

and whenever it seizes him it throws him down, and he foams at the mouth and grinds his teeth. He is wasting away with it; so I told your disciples to cast it out, but they could not." He answered them, "O faithless generation, how long must I still be with you? how long have I to bear with you? Bring him to me." So they brought the boy to him, and when the spirit saw Jesus it at once convulsed the boy; he fell on the ground and rolled about, foaming at the mouth.

and a spirit gets hold of him till he suddenly shrieks; it convulses him till he foams; indeed it will hardly leave off tearing him to pieces. I begged your disciples to cast it out, but they could not." Jesus answered, "O faithless and perverse generation, how long must I still be with you and bear with you? Fetch your son here."read more.
Before the boy could reach Jesus, the daemon dashed him down and convulsed him, but Jesus checked the unclean spirit, cured the boy, and handed him back to his father.

Those who were annoyed with unclean spirits also were healed.

there was a woman who for eighteen years had suffered weakness from an evil spirit; indeed she was bent double and quite unable to raise herself.

Crowds gathered even from the towns round Jerusalem, bringing invalids and people troubled with unclean spirits, all of whom were healed.

A man from the crowd answered him, "Teacher, I brought my son to you; he has a dumb spirit, and whenever it seizes him it throws him down, and he foams at the mouth and grinds his teeth. He is wasting away with it; so I told your disciples to cast it out, but they could not."

As they went out, a dumb man was brought to him, who was possessed by a daemon, and when the daemon had been cast out, the dumb man spoke. Then the crowd marvelled; they said, "Such a thing has never been seen in Israel!"

He was casting out a dumb daemon, and when the daemon had gone out the dumb man spoke. The crowds marvelled,