The act of destruction.  To “burn with fire” is to destroy.  “The Lord will smite you with burning heat,” Deut. 28:22.  “And all its land is burning waste and brimstone,” Deut. 29:23.  These express God’s anger at Israel’s arrogance.  “The land is burned up and the people are fuel for the fire,” Isa. 9:19.  “Wail for the day of the Lord is near, every man’s heart will be burned up,” Isa. 13:5-13.  “Behold the day of the Lord is coming with burning anger to make the land a desolation,” Isa. 13:9.  “The heart of the Egyptians will burn in them,” Isa. 19:1.  “Edom shall become burning pitch, and smoke shall go up forever,” Isa. 34:9, “And the people will be burned to lime,” Isa. 33:12.  “For behold the day is coming, burning like a furnace, and every evildoer will be set ablaze, and become chaff,” Mal. 4:1-6.  “And the earth and its works shall be burned up,” 2Pet. 3:10.