By equipping ourselves with the whole armor of God, we are able to endure evil that comes to steal, kill, and destroy.
By denying ourselves the armor of the world, we are able to endure trials that come for the purpose of our sanctification.
The victory for us as believers is our God given faith.
"For everyone who has been born of God overcomes the world. And this is the victory that has overcome the world—our faith. Who is it that overcomes the world except the one who believes that Jesus is the Son of God?" (1 John 5:4,5)
To overcome the world, is to overcome the law.
"The sting of death is sin, and the power of sin is the law. But thanks be to God, who gives us the victory through our Lord Jesus Christ." (1 Corinthians 15:56,57)
Our greatest victory is to have a knowledge of God transformed into a life of God.
"Indeed, I count everything as loss because of the surpassing worth of knowing Christ Jesus my Lord. For his sake I have suffered the loss of all things and count them as rubbish, in order that I may gain Christ and be found in him, not having a righteousness of my own that comes from the law, but that which comes through faith in Christ, the righteousness from God that depends on faith— that I may know him and the power of his resurrection, and may share his sufferings, becoming like him in his death, that by any means possible I may attain the resurrection from the dead." (Philippians 3:8-11)
"For I delight in the law of God, in my inner being, but I see in my members another law waging war against the law of my mind and making me captive to the law of sin that dwells in my members. Wretched man that I am! Who will deliver me from this body of death? Thanks be to God through Jesus Christ our Lord! So then, I myself serve the law of God with my mind, but with my flesh I serve the law of sin." (Romans 7:22-25)