As the scope of his investigation expanded, Wang Yu discovered that the so-called ruins were actually a massive fortress stretching for hundreds of millions of kilometers, corresponding to that slaughter-filled space of the Myriad Races Battlefield.
He supposed that a certain era in ancient history had been a battlefield against Foreign Realm beings. That would have to be traced back to before the Ancient Emperor Era, or even earlier.
It had little to do with the present, though.
After scouting such a vast circuit and only finding a few traces of demonic tides having passed through, Wang Yu temporarily set his mind at ease and used the Space Dao Fruit to bury a Spatial Beacon at the edge of this fortress.
Then he drew space out into strings and laid them through the void.
Once someone passed by, it would be like a flying insect crashing into a spider web, and he would immediately sense it.
Thus...
Three days later, Wang Yu returned to the vicinity of the Foreign Realm passage and concealed it. Although he had not encountered the legendary Senior Disciple Brother, leaving him rather regretful, the benefits that his trip to the Foreign Realm was about to bring delighted him even more.
He was not in a rush to sever his own Dao Fruit.
First, he took out a treasure from his grotto-heaven that he had "forgotten" for a very long time. It was none other than one of the top-tier resources he had exchanged for back in the Demon Refining Domain—the Cosmic Light Immortal Vine!
It had to be said that when the Demon Lord nurtured juniors, he truly was willing to spend blood capital. This thing was originally a material for refining fishing nets, and Wang Yu had refined one back then too.
Unfortunately, after