Well, this chapter could focus on Potter challenging the authority of the Ministry, perhaps over some important issue. It could have elements of strategy, adventure, and character growth as Potter takes on this powerful institution.
It might involve an intense confrontation or power struggle between Potter and the Ministry. Maybe it'll have lots of magic and suspense.
Expect some exciting action and drama. Maybe Potter discovers some injustice done by the Ministry and decides to fight against it. There could be plot twists and unexpected alliances formed in this chapter.