@larcek
That's not the sister, that's the tattooed girl "Dackte", I think her name was.
Man, I like the fact that the MC has plans to take action in case of multiple failures.
I'm wondering what the King has to protect the anti-magic thingy, he's too clever to leave it unprotected, but too paranoid to confide in someone about it. Could it be a machine or something?