The Unforgivable Curses in Hogwarts Legacy are supposed to be some of the most dangerous spells you can use. They are specifically supposed to be Dark Magic, and in Harry Potter lore, if a magical practitioner used them, they would set them on a path to prison and an even more dangerous road.
Is there any harm to using Unforgivable Curses in the Hogwarts Legacy?
Hogwarts Legacy's Unforgivable Curses are unique because they are not taught to you by your professors, but rather learned through the dark arts books. These spells are powerful, but they're also known as Unforgivable Curses for a reason.
How to Fix Twitch Drops Not Working for Hogwarts Legacy
While playing Hogwarts Legacy, using them multiple times does not appear to have any implications. Even if you're in the middle of a story quest, using these spells does not elicit a conversation with your characters or indicate that your character is on a dark path.
It's natural to be averse to such situations, particularly since the developers have suggested that your choices for completing certain tasks in the game and the overall progression can affect the outcome. Fortunately, regularly using any of these three spells against your foes does not appear to be a problem, though.