[Sometimes they're born with it too. Sometimes the descendant of one of the most powerful magicians alive falls in love with a magical girl and they have a son who can see the future and grant wishes. That's definitely a thing that happens sometimes.

But no Shura is right, a lot of his power is from skills he has picked up in the last 100 years. His bloodline did help, but blood means nothing without talent and a drive to use that power.]

I haven't taken you anywhere. You came here on your own. You're free to leave at any time, by the way.

[She definitely is. Outside of the gate she'll be able to see the very street she was on before she entered the shop.]

I don't make a habit of kidnapping people and dragging them places against their will. It brings bad karma. But this shop exists outside of your world for a reason, and that reason is 'some of the people in your world are absolute assholes that I would rather not ever speak to.'

[Oh look, he can swear. Totally ruins the 'calm, knowledgeable magician' appearance, right?]