So Ronan saw that in the middle of the projection area, there was a person who seemed to be taking photos casually.

This should have happened in a relatively dark space, with shadows all around, as if there were more than one person, and the center of the image was a book that seemed to have just been burned. It seemed that some of it had been burned, and the outer cover was black.

The whole thing became fluffy, and there were even sparks that were not completely extinguished in the corners...

No, this seems to be...

Ronan's eyes quickly passed over the blood demon's face. The latter showed a seemingly friendly smile and motioned Ronan to continue looking down.

Luo Nan turned his attention back to the projection area.

At this time, a hand in the image stretched out, took the "book" from the previous holder, and casually patted away the remaining sparks on the burnt crust, as if blowing a breath, and then

Turning around in the rising smoke and dust.

The special structure that is incomplete but recognizable enough is revealed here.

Looking at the undeformed loose-leaf iron clip on the edge of the damaged hard leather, Ronan corrected his answer:
Chapter completed!