Why Harry Potter and the Hallows of Death - Part 1 is an underestimated masterpiece

Each Harry Potter fan has his own favorite movie, which is often underestimated by others. For me, it is Harry Potter and the sanctuaries of death: Part 1. Although this movie on Rotten Tomatoes has only reached a 77% rating – the lowest of the whole series – I see it as a misunderstood masterpiece. Why is "Harry Potter and the sanctuaries of death: Part 1" so unique? What makes this movie so special? The film deviates from the classical structu…