The camp outside the small town.
"So, my sister has run off into the mutant area?" Ludwig sighed.
"My Guard Knight took her to the inner camp, and then she disappeared," the Duke of Carinthia said. "Including the guarding knights, patrolling guards, and everyone else, no one saw any trace of her."
"Well," Ludwig sounded a bit dejected, of course understanding the Duke's insinuation.
His sister is most likely already an Extraordinary Ability User.
That wasn't really such a big deal; many nobles' offspring tried taking Magic Potion—however, that was after getting married and having children, when they had the ability to keep their secret safe.
Becoming a Transcendent before marriage was foolish, because you never knew if your marriage partner and their family could be trusted. It wasn't just the risk of being deemed a heretic by the Church Court; there was also the issue of reduced fertility among Transcendents.