The crystal lit up at once, then began giving off waves of strange soul fluctuations. He closed his eyes and soon felt the rejoicing of his soul.
Then his entire soul began vibrating rhythmically with these fluctuations, causing him to begin practicing the Incantation unconsciously.
An hour passed before the excessive strain on the wolf hide finally caused the array to fail, bringing him out of that strange state. Upon waking, he immediately realized that his Soul Space had actually been repaired considerably.
At the same time, he noticed that the entire crystal had shrunk by a whole size. Wasn't this burning rate far too fast? It had already caused a great deal of waste without him noticing.
Although this could greatly accelerate the repair of his Soul Space, it clearly was not worth the cost.
He felt this had to be because of the Magic Circle. After all, this burning Magic Circle had originally been intended to dispose of evil magical items, so naturally, the faster it burned, the better.
At the same time, this Magic Circle was ultimately designed to act on magical power. Its incompatibility with burning crystals was bound to damage the Magic Circle as well.
Combined with an inferior medium like wolf hide, this outcome was not actually surprising. So next, he planned to improve this burning Magic Circle.
First came the medium.
He had to use a material capable of bearing Mental Power. Something capable of bearing a soul would be even better. Unfortunately, such materials were scarce to begin with, and the only one he possessed was the Soul Book.
Drawing directly on its pages would certainly not work, however, because the paper was too fragile and probably would not last. That made him think of the cover.
The Soul Book's cover was