What is demonic oppression? Demonic oppression is the work of evil spiritual forces that urge us to sin, to deny God's Word, to feel spiritually dead, and to be in bondage to sinful things. This oppressive work is performed by demons, which are fallen angels who resist God, and who sinned in their first estate.
"And the angels who did not keep their proper domain, but left their own abode, He has reserved in everlasting chains under darkness for the judgment of the great day;" Jude 1:6. They war against God, against God's people, and against unbelievers as well. Their goal is to bring as many people as possible into rebellion against God and condemnation in hell. Demonic Oppression literally comes from the pits of hell and there is only way a Christian can protect themselves from it.