21 The king of Israel advanced and overpowered the horses and chariots and inflicted heavy losses on the Arameans.

Read 1 Kings 20:21 Using Other Translations

And the king of Israel went out, and smote the horses and chariots, and slew the Syrians with a great slaughter.
And the king of Israel went out and struck the horses and chariots, and struck the Syrians with a great blow.
However, the king of Israel destroyed the other horses and chariots and slaughtered the Arameans.