2 Kings 3:26

And when the king of Moab saw that the battle was too sore for him, he took with him seven hundred men that drew swords, to break through even unto the king of Edom: but they could not.

Cross-reference

2 Kings 3:9 Historical context

In 2 Kings 3:9, Edom is allied with Israel; Mesha's failed attack on Edom shows his desperation against the coalition.

Amos 2:1 Historical context

Amos 2:1 condemns Moab for burning Edom's king's bones, highlighting long-standing hostility—Mesha's attack on Edom fits this pattern.