Lady Vivian obtained ancient memories of this world from that Blood crystal, but the memories were incomplete. She could only see scattered fragments and some "foreign emotions" that stirred her own feelings. To prevent misleading Hao Ren, she did not explain in detail what exactly she had seen.
But there was one thing she could be certain of: there had once truly been a "Vivian" on this planet who looked exactly like her and whose form of power was nearly identical. The Blood crystal Beatrice carried had also been created by that "Vivian." As for why the crystal had fallen to Earth and how it had ended up in Beatrice's hands, the events in between probably could not be investigated clearly anytime soon.
The souls that had waited for ten thousand years in this underground city were the descendants of the former Solar Dynasty. They included not only the monarch Gragon and the entire royal family he had led, but also the priests and knights of the three great temples of the Creator God, the Elemental God, and the God of the Present World, as well as the chosen ones from the various kingdoms and tribal nations. Chosen for their extraordinary spiritual power, they had built this underground divine capital together with the "Goddess" ten thousand years ago, then sublimated their forms of life into the spirits inhabiting the city. For the ten thousand years that followed, they had maintained a vast Soul Suppressing Ritual. Its sole purpose was to pacify the Firstborn deep underground and make it transform and protect this world according to its programmed design.
It could be said that these souls and the city together formed a gigantic "control bolt," firmly driven into the Firstborn's nerve ganglia. The seventy-seven divine nails driven into Toka's back in