The moment Uchiha Madara entered the cave with the Jian Labulabuduoman brothers, he knew his intuition had been right.
Having seen Blue People ruins many times before, Uchiha Madara recognized it at a glance—the thing inside the cave was a Blue People ruin from long ago. There was absolutely no mistake! The sobbing sound that went "woo, woo, woo" was the noise of the ruin still operating. The reason it only made sounds at night was that the ruin needed moonlight as its activation energy!
Daylight was too intense, exceeding the amount needed to activate the device. Only at night, with moonlight as the medium, could the device start up. That was precisely why the words "Moonlight Gate" were engraved on this ruin.
"Moonlight Gate—a gate that only opens under moonlight... What could possibly be inside? Such a wondrous Blue People structure couldn't possibly be storing nothing important."
The three of them entered the Moonlight Gate. Beyond it was a whole different world. Aside from the increasingly loud sound, there were all kinds of astonishing technological devices.
"You know, I've seen other Blue People structures before—such as the Transfer Gate, the True Ruins, and so on. Even the many Shalo left behind in your world were incredibly startling. But even so, this Blue People ruin is different from everything we saw before!" Uchiha Madara said. "This ruin gives me the feeling that it is a ruin meant for salvation. That song seems to be calling me here, asking me to save this world's life!"
The Jian Labulabuduoman brothers could not help but sigh at Uchiha Madara's words. Apart from visiting Shalo, this was their first time seeing another Blue People ruin. This ruin exuded a cool, refreshing aura unlike the dark aura outside, as though it held some sort of