'Unclean Spirits' in the Bible

And calling His twelve disciples, He gave them power over unclean spirits, so as to cast them out, and heal every disease, and every malady.

And they were all astonished, so that they were inquiring one to another, saying, What is this? what new teaching is this? Because according to authority He commands the unclean spirits, and they obey Him;

And unclean spirits, when they saw Him, fell down before Him, and were crying out, saying, Thou art the Son of God.

And Jesus immediately permitted them. And the unclean spirits having gone out, came into the swine: and the herd rushed down a precipice into the sea, and there were about two thousand: and they were strangled in the sea.

And He calls the twelve to Him, and began to send them out two by two; and He gave them authority over unclean spirits.

And fear came upon them all, and they were talking together to one another, saying, What word is this? because with authority and power He commands the unclean spirits, and they come out.

and those troubled by unclean spirits; and they were getting healed.

Then a multitude, of the cities around about Jerusalem, came together, carrying their sick and those tormented by unclean spirits, who were all being healed.

For many of those having unclean spirits, roaring with a loud voice, went out: and many paralyzed and lame were healed;

And I saw three unclean spirits like frogs come out of the mouth of the dragon, and out of the mouth of the beast, and out of the mouth of the false prophet;