"Emotional punch" refers to a powerful and intense feeling that something or someone creates within us, often leaving a strong impact on our emotions. Full definition
Both pack emotional punches to their respective characters that made even me feel slightly surprised with just how well they work. (thedailyrotation.com)
But like I said, this episode doesn't just pack a lot of decent plot twists and some fun action — there's real emotional punch, too. (io9.gizmodo.com)
Let's not forget the electric score that works so well in adding the extra emotional punch when needed. (rowthree.com)