Seeing the barely concealed shock on Jiang Chen's and Jiang Xiao Chen's faces, Tie Zhu was thoroughly satisfied. He cleared his throat and continued, "This supreme treasure was named the Immortal-Burying Platform, meaning that even an immortal would leave their bones buried here!"
"The other portals were no slouches either. For a time during that era, they completely sealed off the six Restricted Zones, keeping the ghostly things inside from coming out to cause trouble again."
"Unfortunately, those human bugs back then never anticipated that these portals couldn't withstand a joint bombardment from several Forbidden beings. Apparently, this even sparked a calamity that swept through the entire Glorious Great Era and brought down countless Ancient Dao Orthodoxies."
"After that, the big shots among you humans figured things out. Instead of sealing the Restricted Zones shut, they would take the initiative to open the portals when the Restricted Zones' Seals weakened."
"The existence of these Restricted Zone portals eliminated the possibility of Weird Objects running out at any moment. All people had to do was wait for the weakening period, gather the strongest people of the age, open the gates, and kill a wave of Weird Objects. Then they could live in peace."
"It was much better than keeping watch day and night like before. More powerful people could focus on cultivation. I reckon that's why those human bugs managed to keep the Glorious Era going for so long back then."
At this, Jiang Chen couldn't help nodding. It seemed those big shots had been quite forward-thinking. Wasn't this essentially an "adjustable dam"? It kept the water flowing steadily under normal conditions, while releasing floodwaters on schedule eliminated the danger of a breach.
At that moment, Tie Zhu leaned forward and studied the black-jade-like portal for a long while, clicking his