I raced through 'Beautiful Disaster' a while back, and honestly, the ending kind of blends with other New Adult books for me now. Travis and Abby definitely get their HEA after all the chaos—the fighting, the jealous rages, the whole Vegas marriage thing. They end up together, obviously. I think she finishes college? And he's out of the underground fighting scene. The details are fuzzy, but the vibe is that their toxic, all-consuming love just... wins. It's a fitting end for that kind of story, where the drama is the whole point. Not sure it would satisfy someone looking for deep personal growth, but it delivers on its promise of intense, messy romance.
Sometimes I wonder if the sequel, 'Walking Disaster', which is Travis's POV, adds necessary context. Maybe it makes the ending feel more earned. On its own, the finale just cemented that these two are stuck in their own volatile world, which is probably what fans signed up for.