Nurmengard.
This gloomy castle standing in the valley seemed like a forgotten corner of the Wizarding World. For ages, it had been shrouded in heavy mist and dense forest, hidden from the eyes of the world. The castle's stone walls were mottled and poorly maintained. Time had carved indelible traces into them, and every brick and tile seemed to recount its former glory and present decay.
Inside the dim, cramped room, everyone knew that Gellert Grindelwald, who had committed monstrous crimes, was imprisoned here. Even Voldemort's Death Eaters could not help but fear a figure like him.
"My Lord sends you his greetings." The bearded man in a cloak pushed a wand into the room and said softly, his voice tightly suppressing his nerves. "He knows your ideals and agrees with your beliefs. Now that the time has come, he hopes you can show the world your strength once again."
"Dumbledore has poisoned the Wizarding World for far too long. Someone like you needs to step forward and judge Dumbledore. My Lord hopes you can seize this rare opportunity." The bearded man in the cloak knew how bold his words were, so the moment he saw the old man rise, he immediately backed away several steps.
Honestly.
If he had not needed to repeat his master's exact words, the bearded man in the cloak truly would not have wanted to speak like that. He was genuinely worried Gellert Grindelwald would directly ask him, "Are you teaching me how to do things?"
There was no answering that!
Perhaps to most wizards in Britain, Grindelwald was merely a figure from history. But as a man from the Ministry of Magic, the bearded man knew far more than other wizards. Not to mention that the dormant Death Eaters had spent all these years