Ephesians 6:11 NIV

1 Peter 5:8 NIV
Be alert and of sober mind. Your enemy the devil prowls around like a roaring lion looking for someone to devour.

1 Thessalonians 5:8 NIV
But since we belong to the day, let us be sober, putting on faith and love as a breastplate, and the hope of salvation as a helmet.

2 Corinthians 10:4 NIV
The weapons we fight with are not the weapons of the world. On the contrary, they have divine power to demolish strongholds.

2 Corinthians 11:13-15 NIV
For such people are false apostles, deceitful workers, masquerading as apostles of Christ. And no wonder, for Satan himself masquerades as an angel of light. It is not surprising, then, if his servants also masquerade as servants of righteousness. Their end will be what their actions deserve.

2 Corinthians 11:3 NIV
But I am afraid that just as Eve was deceived by the serpent’s cunning, your minds may somehow be led astray from your sincere and pure devotion to Christ.

2 Corinthians 2:11 NIV
in order that Satan might not outwit us. For we are not unaware of his schemes.

2 Corinthians 4:4 NIV
The god of this age has blinded the minds of unbelievers, so that they cannot see the light of the gospel that displays the glory of Christ, who is the image of God.

2 Corinthians 6:7 NIV
in truthful speech and in the power of God; with weapons of righteousness in the right hand and in the left;

2 Peter 2:1-3 NIV
But there were also false prophets among the people, just as there will be false teachers among you. They will secretly introduce destructive heresies, even denying the sovereign Lord who bought them —bringing swift destruction on themselves. Many will follow their depraved conduct and will bring the way of truth into disrepute. In their greed these teachers will exploit you with fabricated stories. Their condemnation has long been hanging over them, and their destruction has not been sleeping.

2 Thessalonians 2:9-11 NIV
The coming of the lawless one will be in accordance with how Satan works. He will use all sorts of displays of power through signs and wonders that serve the lie, and all the ways that wickedness deceives those who are perishing. They perish because they refused to love the truth and so be saved. For this reason God sends them a powerful delusion so that they will believe the lie