The movie Fantastic Beasts 2: The Sin of Grindelwald was a very good film and television work. There were some details that were extremely terrifying as follows: Voldemort's followers not only had superpowers but were also very intelligent and organized. Their performance in the movie was even better than the first one, even surpassing the abilities of the main characters. The movie showed political corruption and power struggles in the magical world. Voldemort and his followers used the dark magic and power struggles of the Wizarding world to gain more benefits instead of fighting for true justice. The movie also mentioned a power called "black magic". This power could make people cruel, selfish, and evil, and could even destroy the entire magical world. The source and transmission mechanism of this dark magic remained a mystery. The final film shows that Voldemort and his followers 'plan was very successful. Even if they had failed once, they could still master magic again and rule the entire magical world. It also reminds us that the peace and stability of the Wizarding World can be very fragile. In summary, some of the harrowing details in the movie Fantastic Beasts 2: The Sin of Grindelwald revealed some deep problems and potential dangers in the magical world.