After having secretly climbed onto the elevator that Squidward was riding and arriving at his destination, I killed my presence and observed the situation from the shadows.

Squidward got out of the elevator and went straight into the room that was labeled the Tower Master’s office. The old man beckoning him over seemed to be the Red Magic Tower’s Tower Master.

Hmm, by the way, why was the mana flow like this here?

The mana here was calm and heavy as if it had precipitated somewhat. Usually, for mana to precipitate to this extent, hundreds of lives had to have been killed here or there had to be a special mana stone in place. 

The only time I had felt this kind of mana was when I was young on the peak of the mountain behind my hometown. The mana I felt back then was pure, but now it felt like someone was spreading a putrid smell of corpses.

Did life magicians usually require this type of unpleasant mana for experiments?

The Tower Master's room had lots of peculiar magic formulas drawn all over it. I eagerly jotted down the magic formulas in my notes. While I was quickly scribbling, I felt something strange.

What’s this? Isn’t this forbidden magic that black magicians used?

There were curse magic, alchemy, and other unknown magic mixed in, but...