Isaiah 66:14-16
14 You shall see it, and your heart shall rejoice, and your bones shall flourish like the tender grass: and the hand of Yahweh shall be known toward his servants; and he will have indignation against his enemies. 15 For, behold, Yahweh will come with fire, and his chariots shall be like the whirlwind; to render his anger with fierceness, and his rebuke with flames of fire. 16 For by fire will Yahweh execute judgment, and by his sword, on all flesh; and the slain of Yahweh shall be many.
2 Thessalonians 1:6-7
6 Since it is a righteous thing with God to repay affliction to those who afflict you, 7 and to give relief to you that are afflicted with us, when the Lord Jesus is revealed from heaven with his mighty angels in flaming fire,