Repent.

Revelation 2:5, 21, 22
Therefore, keep in mind how far you have fallen. Repent and perform the deeds you did at first. But if you do not repent, I will come to you and remove your lampstand from its place. . . .

Revelation 3:19
Those I love, I rebuke and discipline. Therefore be earnest and repent.

Revelation 16:9
And the people were scorched by intense heat, and they cursed the name of God, who had authority over these plagues; yet they did not repent and give Him glory.

Acts 17:30, 31
Although God overlooked the ignorance of earlier times, He now commands all men everywhere to repent. . . .

else.

Revelation 2:5
Therefore, keep in mind how far you have fallen. Repent and perform the deeds you did at first. But if you do not repent, I will come to you and remove your lampstand from its place.

will fight.

Revelation 2:12
To the angel of the church in Pergamum write: These are the words of the One who holds the sharp, double-edged sword.

Revelation 1:16
He held in His right hand seven stars, and a sharp double-edged sword came from His mouth. His face was like the sun shining at its brightest.

Revelation 19:15, 21
And from His mouth proceeds a sharp sword with which to strike down the nations, and He will rule them with an iron scepter. He treads the winepress of the fury of the wrath of God, the Almighty. . . .

Isaiah 11:4
but with righteousness He will judge the poor, and with equity He will decide in favor of the earth's oppressed. He will strike the earth with the rod of His mouth and slay the wicked with the breath of His lips.

Isaiah 49:2
He made my mouth like a sharp sword; He hid me in the shadow of His hand. He made me like a polished arrow; He hid me in His quiver.

Ephesians 6:17
And take the helmet of salvation and the sword of the Spirit, which is the word of God.

2 Thessalonians 2:8
And then the lawless one will be revealed, whom the Lord Jesus will slay with the breath of His mouth and abolish by the majesty of His arrival.