Luke 9:39
"and behold a spirit seizes hold of him, and rudely he shouts out, It convulses him till he foams; indeed it will hardly leave off bruising him sorely.
Mark 5:4-5
Not even with a chain could any man bind him, for he had been bound with fetters and chains again and again, and had snapped the chains, and broken the fetters; and there was no one strong enough to master him.
Mark 9:20
So they brought the boy to him, and when he saw Jesus, the spirit at once convulsed him, and he fell to the ground and wallowed, foaming at the mouth.
Mark 9:26
So with a loud shriek it came out, after throwing the boy into convulsion after convulsion. The boy looked like a corpse, so that most of them said that he was dead.
Luke 4:35
And Jesus rebuked him, saying. "Be quiet! Come out of him." And when the demon had thrown the man down before them, he came out of him without doing him any harm.
Luke 8:29
For Jesus was already commanding the unclean spirit to come out of the man. For many times it had seized him and held him, and they again and again kept him under guard, and put him in chains and fetters. But he would break his bonds asunder, as he was driven by the demon in to the desert.
John 8:44
"You are of your father, the devil, and you want to do what your father desires. He was a man-slayer from the very beginning; and he has no standing place in the truth, because truth is not in him. Whenever he utters a lie, he speaks from his nature, for he is a liar and the father of lying.
1 Peter 5:8
Be temperate, be vigilant; because your enemy, the devil, is prowling about like a roaring lion, seeking whom he may devour.
Revelation 9:11
They have a king over them, the angel of the bottomless pit. His name in Hebrew is Abaddon; in Greek he is called Apollyon.