Faith overcomes strongholds
Faith is built on the Word of God. Through persistency in believing that Jesus is the Son of God, gives you the strength to conquer strongholds.
Who is he that overcometh the world, but he that believeth that Jesus is the Son of God? 1 John 5:5 KJV
For the weapons of our warfare are not carnal, but mighty through God to the pulling down of strong holds; 2 Corinthians 10 :4 KJV