What does 2 Samuel 2:23 mean?

But Asahel wouldn't give up, so Abner jabbed him in the stomach with the back end of his spear. The spear went right through him, and he fell and died on the spot. Everyone who came to where Asahel lay stopped and just stood there. 2 Samuel 2:23 - Modern Text Bible

(Asahel's stubborn pursuit leads to his death, and it's a shocking moment for everyone who sees it.)