Infiltration, Escape, and Questions

The Frozen Mountain Range.

After entering the facility secretly constructed inside the largest mountain among the many mountain ranges, Mist set about determining its overall scale.

'About half the size of a mountain.'

It was probably a secret base built by [Organization].

It seemed excessive for a single organization to use such a vast facility, especially one lined with countless magic circles.

Well, that was only about half the reason. The other half was closer to an inference based on the distinctive traits of the countless people she had passed while infiltrating the facility.

"This month's mana patterns and spectrum are far too irregular. Could you show me the exact figures?"

A magic engineer was checking countless documents while investigating something within the facility.

"It must be because it's summer this time of year."

"Ah, right. I've been doing nothing but experiments here, so I even forgot what date it is."...