The only power the enemy has is the power relinquished to him. He can only influence through thoughts introduced to the mind.
The Lord left instructions in His Word revealing the weapons of the mind to overcome the enemy:
Cast down vain imaginations, take captive every thought, and think the best of everyone and everything.
Renew the spirit of your mind daily and weaponize it to overcome the enemy. Transform your defensive mindset to offense and realize mighty victories in your life and in the lives of those you pray for.
After all, you are a chosen soldier:
Take some ground.
2Co6 10:4-5 (For the weapons of our warfare are not carnal, but mighty through God to the pulling down of strong holds;) Casting down imaginations, and every high thing that exalteth itself against the knowledge of God, and bringing into captivity every thought to the obedience of Christ;
Philippians 4:8 Finally, brethren, whatsoever things are true, whatsoever things are honest, whatsoever things are just, whatsoever things are pure, whatsoever things are lovely, whatsoever things are of good report; if there be any virtue, and if there be any praise, think on these things.
Romans 12:2 And be not conformed to this world: but be ye transformed by the renewing of your mind, that ye may prove what is that good, and acceptable, and perfect, will of God.
Ephesians 4:23 And be renewed in the spirit of your mind;
Zechariah 4:6 Then he answered and spake unto me, saying, This is the word of the LORD unto Zerubbabel, saying, Not by might, nor by power, but by my spirit, saith the LORD of hosts.
2Timothy 2:4 No man that warreth entangleth himself with the affairs of this life; that he may please him who hath chosen him to be a soldier.
Philippians 4:13 I can do all things through Christ which strengtheneth me.