“Just in case, let’s first make sure we have proper ventilation.”

My mentor moved his fingers and chanted an incantation.

I felt a gentle breeze blow across my skin. It seemed that my mentor had used magecraft to control the air in the tunnel, letting fresh air in from the entrance.

I felt a bit of a strange feeling, and could not help but smile wryly.

“What’s wrong?”

“Nothing, it’s just that it’s rare to see you act like a mage.”

Lord El-Melloi II's Case Files: The Atlas Contract; Chapter 4, Part 4