Bible Verses About War: Frequently sore and bloody

Likewise, on hearing that the P'lishtim were fleeing, all the men of Isra'el who had hidden themselves in the hills of Efrayim pursued them in battle.

Many were slaughtered, because the war was of God, and they lived in their territory until the captivity.

Asa and the army with him pursued them to G'rar, and the Ethiopians were defeated beyond recovery; they were shattered before ADONAI and his army, who carried off much spoil.

For Pekach the son of Remalyah killed in Y'hudah 120,000 men in one day, all of them brave men, because they had abandoned ADONAI, the God of their ancestors.