The seemingly bottomless cavern did not actually extend very far. Su Jiu followed the path lit by fluorite all the way down, reaching its end in less than an hour.
At first glance, there was nothing special about the end of the stone grotto. There was simply more fluorite than at the cavern's entrance, making the light a little brighter.
Aside from that, the most eye-catching feature was a glittering glass orb floating above a round platform directly in front of Su Jiu.
The light it emitted continually changed as it flickered. Su Jiu counted exactly five colors, no more and no less, corresponding to the five elements.
Su Jiu narrowed her eyes, a few suspicions forming in her mind. She wrapped her divine sense around the colorful glass orb, trying to probe it. Unfortunately, it refused to accept any divine sense from outside.
It seemed to form its own barrier, shutting out everything around it and remaining unaffected by any outside interference.
Su Jiu tilted her head. "Could I have guessed wrong? Is this thing not a spirit source at all?"
Indeed, Su Jiu's first impression upon seeing the glass orb had been that she had found a spirit source, for no other reason than that it looked exactly as Little Green had once described.
In principle, everything within a real-image illusion realm was a real image, so this glass orb should have been one as well. Now, however, it seemed her judgment might have been mistaken.
While Su Jiu was still pondering what the glass orb was, it suddenly began flickering much faster.
It looked as though it might explode above the platform at any moment.
Su Jiu sensed no danger from the glass orb, but she still reflexively retreated two steps. At the same time, she held