Today's treatment went the same as before. Once it was over, Bian Heng picked up his case and left without delay. Zhang Tie, meanwhile, once again plunged into the sea, arriving at the cave in the underwater mountain range. He wrapped his entire body in ice liquid and sank once more into that ethereal, blissful state. This state was like tempering blades in water, and it was also the process of forming Vajra Fruit.
Throughout this process, Zhang Tie's spiritual energy had long since spread silently through several miles of underwater space in the form of one vast net after another. Like a dense, invisible dome, it enveloped Zhang Tie within it. He knew every rustle and stir within this spiritual-energy barrier like the back of his hand. As long as anyone entered the area under his spiritual-energy control, even an expert at the level of a God Emperor—or even some tiny fish or shrimp—Zhang Tie would be able to sense it.
This move was Zhang Tie's "Alert Radar," a method of using spiritual energy that he had recently devised in Tidewatch Courtyard—releasing spiritual energy outward, then drawing it back in to form a tight surveillance network. This network did not currently pursue the greatest possible range, but absolute control over everything within it. Though such a method could not kill enemies, it completely eliminated the possibility of being ambushed, especially by experts at the level of God Emperors and Demon Emperors. Once his spiritual energy spread out like nets, Zhang Tie only needed to devote a single thought to monitoring the state of this "Alert Radar" to rest easy.
Ever since he had narrowly escaped with his life after his last battle with the Demon Emperor, Zhang Tie had been constantly thinking of ways to deal with him. After