The Boys can help advanced learners become more confident with fast and natural English. At an average of around 82 words per minute, the dialogue is generally manageable, though some exchanges require more attention. The vocabulary is not overly technical, though it includes enough variety to make the practice meaningful. The narrative adds extra difficulty because learners need to track events, motives, or character relationships. The Boys works best for learners around B2/C1 who are ready for a more complex story.