Judges 7:20
“And the three companies blew the trumpets, and brake the pitchers, and held the lamps in their left hands, and the trumpets in their right hands to blow withal: and they cried, The sword of the Lord, and of Gideon.”
When I blow with a trumpet, I and all that are with me, then blow ye the trumpets also on every side of all the camp, and say, The sword of the Lord, and of Gideon.
So Gideon, and the hundred men that were with him, came unto the outside of the camp in the beginning of the middle watch; and they had but newly set the watch: and they blew the trumpets, and brake the pitchers that were in their hands.
And the three companies blew the trumpets, and brake the pitchers, and held the lamps in their left hands, and the trumpets in their right hands to blow withal: and they cried, The sword of the Lord, and of Gideon.
And they stood every man in his place round about the camp: and all the host ran, and cried, and fled.
And the three hundred blew the trumpets, and the Lord set every man’s sword against his fellow, even throughout all the host: and the host fled to Beth–shittah in Zererath, and to the border of Abel–meholah, unto Tabbath.
Counter-Arguments
The strongest case that this verse does not belong in this theme.

Cross-References
“And I will dash them one against another, even the fathers and the sons together, saith the Lord: I will not pity, nor spare, nor have mercy, but destroy them.”
“And it shall come to pass, that when they make a long blast with the ram’s horn, and when ye hear the sound of the trumpet, all the people shall shout with a great shout; and the wall of the city shall fall down flat, and the people shall ascend up every man straight before him.”
“And it came to pass at the seventh time, when the priests blew with the trumpets, Joshua said unto the people, Shout; for the Lord hath given you the city.”
“And seven priests shall bear before the ark seven trumpets of rams’ horns: and the seventh day ye shall compass the city seven times, and the priests shall blow with the trumpets.”
“So the people shouted when the priests blew with the trumpets: and it came to pass, when the people heard the sound of the trumpet, and the people shouted with a great shout, that the wall fell down flat, so that the people went up into the city, every man straight before him, and they took the city.”