He had indulged in his secret longing for the prince for far too long. He found himself forgetting about the person in his heart. Forgetting about the person who had sparked this revenge in the first place, was sinful. Chanyeol was never a person that was strong with denials. He accepted the truth, no matter how painful. Hence, before the fire of hatred consuming his heart–inevitably–died out, he needed to kill him.