5 Bible Verses about Demons, Nature Of

And the seventy returned with joy, saying, Lord, even the demons are subject to us through thy name. And he said to them, I beheld Satan as lightning fall from heaven.

(For he had commanded the unclean spirit to come out of the man. For often it had caught him, and he was kept bound with chains, and in fetters: and he broke the bands, and was driven by the demon into the wilderness.)

(For he said to him, Come out of the man, thou unclean spirit.) And he asked him, What is thy name? And he answered, saying, My name is Legion: for we are many.

And when he had called to him his twelve disciples, he gave them power against unclean spirits, to cast them out, and to heal all manner of sickness, and all manner of disease.

But when the Pharisees heard it, they said, This man doth not cast out demons, but by Beelzebub the prince of the demons. And Jesus knew their thoughts, and said to them, Every kingdom divided against itself, is brought to desolation; and every city or house divided against itself, shall not stand. And if Satan casteth out Satan, he is divided against himself; how then shall his kingdom stand?read more.
And if I by Beelzebub cast out demons, by whom do your children expel them? therefore they shall be your judges. But if I cast out demons by the Spirit of God, then the kingdom of God is come to you. Or else, how can one enter into a strong man's house, and seize his goods, except he shall first bind the strong man? and then he will plunder his house. He that is not with me, is against me; and he that gathereth not with me, scattereth abroad.