Could this really be the so-called undersea vortex Secret Realm?
It was indeed an ancient relic constructed by human hands!
Lin Fei released his Soul Sense to investigate and found that, just as Ju Kui had said, beneath the undersea vortex lay an ancient ruin. Furthermore, he discovered that the building materials were quite peculiar; they looked like stone, yet possessed a metallic texture to the touch. He had never seen such material before.
Chapter 1459