Bringing the Furnace Guardian back to Courtyard No. 7, first he summoned the injured Jedi Knight and the Dragon Vein Spirit to check their injuries.

The Jedi Knight's injuries were not light, but they weren't fatal either. With resources, recovery shouldn't be difficult.

The Dragon Vein Spirit had numerous injuries, but the wounds inflicted by the large bird weren't too serious, and should recover easily.

The more severe injury was the slash by Jing Li, which was quite serious. To fully recover, it likely requires a large amount of resources.

Moreover, Li Xiu didn't know which gemstone the Dragon Vein Spirit needed for its attributes, which was quite troublesome.

Without the corresponding gemstone or resources on hand, Li Xiu could only gather them back first and wait until he obtained resources to exchange for the gemstone they needed and then treat their injuries.

Placing the Furnace Guardian to the side, Li Xiu took out the items he picked up in the bird's nest, and gave the golden bracelet and collar to Sha Chu, asking her to exchange them for resources first.

In Longevity City, Jing Li couldn't act recklessly, and his target was Li Xiu, having nothing to do with Sha Chu.

After Sha Chu left, Li Xiu took out the Ink Jade Short Tube, holding it in his hand for study.

After studying it for a good while, he still couldn't figure out what this thing was.

"Could it be a telescope?" Li Xiu placed his eyes against the black crystals on both ends, looking into the sun, but all he saw was darkness, completely non-transparent.

"Taking such great risks and even destroying the Demon Eye Magic Armor, only to end up with such an unknown object, this is a huge loss." Unwilling to give up, Li Xiu continued his research.

He wanted to find a flashlight to see if he could shine light into it, perhaps to discover something.

After looking around, he couldn't find a flashlight, and feeling too lazy to buy one, he directly released the light energy of the Forbidden Spear, illuminating it from one end of the black crystal.

The fluorescent white light did shine in, but it could only enter a little before disappearing, without penetrating through the other end, and nothing could be seen inside.

However, the tip of the black crystal illuminated appeared clean and transparent; it was unclear why the light disappeared shortly after entering.

"Is the light not strong enough?" Li Xiu pondered, changing the light energy of the Forbidden Spear to his own Ultimate Light, shining the transparent light on one end of the black crystal.

Li Xiu was pleasantly surprised to find that the black crystals on both ends of the short tube lit up, and the black crystal became transparent, while the outer ink-like jade tube still remained non-transparent.

Li Xiu leaned close to take a look inside, curious to see whether the short tube was hollow and if there was anything inside.

"Is this a kaleidoscope?" Under the illumination of the Ultimate Light, Li Xiu discovered it wasn't hollow inside, but a solid crystal; oddly, looking through the crystal from this side, he saw many colors shifting, resembling a kaleidoscope but far more complex.

However, Li Xiu remembered that the principle of a kaleidoscope should be equilateral triangular mirrors mutually reflecting, yet this cylinder contained no triangular mirror structures, only a solid cylindrical crystal. How could there be such color variations?

Li Xiu rotated the short tube to look from the other end, and surprisingly still saw many colors changing.

Those colors were like countless mosaics, constantly shifting, becoming more like a complex kaleidoscope the longer he looked.

"What exactly is this thing?" Li Xiu contemplated, gazing at the short tube.

A moment later, Li Xiu picked up the short tube again for research, once more using Ultimate Light to illuminate it, then watching the shifting colors inside.

After observing for over an hour, only then did Li Xiu turn the short tube to view the changing colors from the other end.

The reason for spending so much time was because Li Xiu discovered that the color variations beforehand weren't repetitive, and not until over an hour later did the variations begin repeating, identical to previous variations.

This kaleidoscope-like object inside probably contained thousands of mosaic-sized color blocks, some colors changed while others did not, with changes occurring almost every second.

If it were an ordinary person, they couldn't possibly remember the color shifts, let alone endure the visual strain after a short time.

Yet Li Xiu forcibly memorized all the color block changes, even discerning a pattern of repetitive variations.

Looking from the other end, despite being the same crystal, the color block quantity and distribution appeared identical, but the colors differed.

Li Xiu observed for another hour before setting the short tube down.

"The quantity and arrangement of the color blocks are identical, and the frequency of color changes is the same; the difference lies in some color blocks changing colors differently..." Li Xiu closed his eyes, visualizing numerous color block diagrams.

From the center of his brow, a faint white light emanated, indicating the rise of his Spiritual Sense.

Countless color block diagrams surfaced in his mind, arranged in two rows; the upper row was viewed from one end, and the lower row from the other.

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