All these kings joined forces; they came together and camped at the waters of Merom to attack Israel.

So Joshua and his whole military force surprised them at the waters of Merom and attacked them.

the king of Shimron-meronone the king of Achshaph one

“Curse Meroz,” says the Angel of the Lord,
“Bitterly curse her inhabitants,
for they did not come to help the Lord,
to help the Lord against the mighty warriors.”