This is an idiom for a person deciding to do something and not being willing to change his mind. AT: "decide" (See: [[rc://en/ta/man/translate/figs-idiom]])
"will make the king of the North stop being arrogant"
# will cause his arrogance to turn back upon him
"will cause the king of the North to suffer because he was arrogant toward others"
# he will pay attention
"the king of the North will pay attention"
# he will not be found
This is a way of saying that he will die. This idea can be stated in active form. AT: "he will disappear" or "he will die" (See: [[rc://en/ta/man/translate/figs-idiom]] and [[rc://en/ta/man/translate/figs-activepassive]])