What does 1 Kings 22:34 mean?

But someone randomly shot an arrow, and it hit Ahab between the joints of his armor. He told his chariot driver, 'Turn around and get me out of the battle—I’m badly wounded.' 1 Kings 22:34 - Modern Text Bible

(Ahab is struck by a chance arrow in a vulnerable spot, showing that fate catches up with him despite his precautions.)