Jesus has all authority, and He has given you His authority to exercise power over spiritual enemies.

“What is this? What new doctrine is this? For with authority [exousia] He commands even the unclean spirits, and they obey Him.” (Mk 1:27)
“Behold, I give you the authority [exousia] to trample on serpents and scorpions, and over all the power [dunamis] of the enemy, and nothing shall by any means hurt you.” (Lk 10:19)
“Be sober, be vigilant; because your adversary the devil walks about like a roaring lion, seeking whom he may devour. Resist him, steadfast in the faith” (1Pet 5:8,9)
“Put on the whole armor of God, that you may be able to stand against the wiles of the devil.” (Eph 6:11)
“Therefore submit [hupotasso] to God. Resist the devil and he will flee from you.” (Jm 4:7)
“Therefore take up the whole armor of God, that you may be able to withstand in the evil day, and having done all, to stand.” (Eph 6:13)
“Watch, stand fast in the faith, be brave, be strong.” (1Cor 16:13)
“how God anointed Jesus of Nazareth with the Holy Spirit and with power, who went about doing good and healing all who were oppressed by the devil, for God was with Him.” (Acts 10:38)
“to open their eyes, in order to turn them from darkness to light, and from the power [exousia] of Satan to God, that they may receive forgiveness of sins and an inheritance among those who are sanctified by faith in Me.” (Acts 26:18)
“And Jesus came and spoke to them, saying, All authority [exousia] has been given to Me in heaven and on earth.” (Matt 28:18)
“He Himself likewise shared in the same, that through death He might destroy [katargeo] him who had the power of death, that is, the devil” (Heb 2:14)
“He who sins is of the devil, for the devil has sinned from the beginning. For this purpose the Son of God was manifested, that He might destroy [luo] the works of the devil.” (1Jn 3:8)
“having disarmed [apekduomai] principalities and powers, He made a public spectacle of them, triumphing [thriambeuo] over them in it.” (Col 2:15)
“Yet in all these things we are more than conquerors through Him who loved us.” (Rom 8:37)
“which He worked in Christ when He raised Him from the dead and seated Him at His right hand in the heavenly places, far above all principality and power and might and dominion, and every name that is named, not only in this age but also in that which is to come.” (Eph 1:20-21)
“You are of your father the devil, and the desires of your father you want to do. He was a murderer from the beginning, and does not stand in the truth, because there is no truth in him. When he speaks a lie, he speaks from his own resources, for he is a liar and the father of it.” (Jn 8:44)
“No weapon formed against you shall prosper” (Isa 54:17)
“When the enemy comes in like a flood, the Spirit of the LORD will lift up a standard against him.” (Isa 59:19)
“For the weapons of our warfare are not carnal but mighty in God for pulling down strongholds, casting down arguments and every high thing that exalts itself against the knowledge of God, bringing every thought into captivity to the obedience of Christ” (2Cor 10:4-5)
Reading: 2Pet 1-3; Mk 1