Complex sentence: The resulting carelessness results in the near-destruction of the Joseon fleet, but in the end Won acknowledges that Yi has been right all along, and he nobly sacrifices himself to secure the retreat of his remaining men.
Split into simpler sentences: The resulting carelessness results in the near-destruction of the Joseon fleet. But in the end Won acknowledges that Yi has been right all along, and he nobly sacrifices himself to secure the retreat of his remaining men.