Without question, what was buried beneath Mount Mordus was not a ruin left behind by the ancients of the Glorious Era. On the contrary, it was a seal to suppress a great demon or an Evil God minion that had invaded the world of Mycroft at the time.
Starting from the Ural Mountains until the Lost Sea on the other end, the entire North had been a battlefield for the olden gods and their otherworldly foes. Be it the sealed land that the Radcliffe family kept guard over or the dimensional portal towards the Illgner World deep beneath the Great Ajax Volcano, all of it proved that the dimensional barrier of the North was extremely weak—so much so that the mana ripples that came before the Great Mana Tide were incomparably obvious and unconcealed.
If one were to say that there were locations where other sealed Chaos or sealed Chaos creations remained here, Joshua would definitely believe it to be true.
