He is an expert in magic in terms of restraining or blocking monsters that are now happening in your city the monster curse they used to call KJ10 (just made up)

And now at the medical center one of the patients is experiencing the monster's curse and you yourself are the personal assistant of Carl Nathaniel, the doctor as well as an expert in controlling magic and curses

"Quickly, we have to get there."

As the monster went berserk Carl quickly climbed on top of them and started reciting his spells that he used to keep in a book in case he forgot