When Jesus Christ was attacked by devil (Luke 4:1-13) He declared what Scripture says. According withi Ephesians 6:17 and Psalms 118:12 (according with Ephesians 6:12 real fight is not agaisnt flesh and blood but agaisnt powers of darkness) is very important to declare what Scripture says in our circumstances and when unclean spirits attack. For example : in Jesus Name i decree Psalms 18:14 agaisnt any unclean spirit weariness which is agaisnt me. As Lord's child feel free to decree in Jesus Name what Bible says about your circumstances.

Lord's children are called kings first in Revelation 1:6 KJV. Is important to use authority and office of the king in spiritual realm. Also according with Exodus 20:5 is important to be free from any legal right from any unclean spirit.
In Jesus Name i decree and declare Exodus 14:14 and Deuteronomy 28:6-8 and 1 Chronicles 4:10 and Psalms 1:3 and Psalms 5:12 and Psalms 18:29 and Psalms 18:39 and Psalms 23 and Psalms 91 and Psalms 103:3 and Psalms 107:20 and Psalms 121:2 and 1 Peter 2:24 and Isaiah 54:17 and Ephesians 3:20 and Romans 8:37 and Philippians 4:13 and Luke 18:27 and Jeremiah 29:11 and 2 Samuel 22:33 and John 16:24 and according with Lord's will over this person.
Thank You Lord