Esias 66:16

16 For with the fire of the Lord all the earth shall be judged, and all flesh with his sword: many shall be slain by the Lord.

Esias 66:16 In-Context

14 And ye shall see, and your heart shall rejoice, and your bones shall thrive like grass: and the hand of the Lord shall be known to them that fear him, and he shall threaten the disobedient.
15 For, behold, the Lord will come as fire, and his chariots as a storm, to render his vengeance with wrath, and his rebuke with a flame of fire.
16 For with the fire of the Lord all the earth shall be judged, and all flesh with his sword: many shall be slain by the Lord.
17 They that sanctify themselves and purify themselves in the gardens, and eat swine's flesh in the porches, and the abominations, and the mouse, shall be consumed together, saith the Lord.
18 And I their works and their imagination. I am going to gather all nations and tongues; and they shall come, and see my glory.

The Brenton translation of the Septuagint is in the public domain.