It will actually be a training duel, but a duel is a duel. In Harry Potter: Hogwarts Mystery your first duel will occur in year one, chapter five. So in order to defend themselves, wizards learned to fight with new spells invented for combat. The First Wizarding War (1970-1981) and the Second Wizarding War (1995-1998). In case of the magical world with Wizards and Muggles, there were two big wars.
Sometimes when there isn’t any political solution, when words cannot do much, wars occur.
Within every world, within every story, there were wars.
