We wrestle not against flesh and blood, but against principalities, against powers, against the rulers of the darkness of this world, against spiritual wickedness in high places. (Ephesians 6:12)
We do not wrestle in spiritual warfare against that which we see physically, but that which we see spiritually. The extent of our ability to war depends upon our ability to see spiritually. In the above video, you will hear the testimony of Shawn Patrick Williams and how he went down into the depths of darkness and sin only to be called out by the holy Spirit and delivered into faith in Christ.
Shawn Patrick escaped demonic oppression. Satan who goes about as a roaring lion took him captive at will, but now he is free and you can be too.
There is also demonic possession.
The Israelites were astonished at the Lord's doctrine: for his word was with power. He entered a synagogue where "there was a man, which had a spirit of an unclean devil, and cried out with a loud voice, Saying, Let us alone; what have we to do with you, Jesus of Nazareth? are you come to destroy us? I know you who you are; the Holy One of God. And Jesus rebuked him, saying, Hold your peace, and come out of him. And when the devil had thrown him in the midst, he came out of him, and hurt him not. And they were all amazed, and spoke among themselves, saying, What a word is this! for with authority and power he commands the unclean spirits, and they come out. And the fame of him went out into every place of the country round about. (St. Luke 4:32/37)
Who cried out?
The devil cried out from within the man and Jesus perceived it. His battle was not against the man who opposed him, but his battle was against the demon inside the man. By casting out the demon, the man was subdued and the spiritual battle was won.
When we study the spiritual warfare Jesus Christ fought in Israel, we need to keep in mind demons will not cry out when we walk into a room. They are not afraid we have come to destroy them.
When you think of the anointing of Christ, think of your wearing Jesus Christ into battle. If you succeed in doing it, Christ in you will make the demons nervous and you will need to discern who is actually speaking to you.
The reports spread throughout the land that Jesus had power to cast out devils and heal the sick, and... "When the evenjing was come, they brought unto him many possessed with devils: and he cast out the spirits with his word, and healed all that were sick:" It is by the Word of the Lord you must cast out demons in his Spirit." (St. Matthew 8:16)
It is not something you can do in your own power as the vagabonds found out when they tried to exorcise a demon.
The demon empowered the man he possessed to throw them all out of the house violently, and it was they who were
exorcised out, not the demon.