On a small island at the boundary between the Fog Sea and the Polar Sea, Bernadette, Isabella, and Bruna, the three former princesses, sat on the vine chairs summoned by Queen Mystic as they took stock of their gains from the expedition.
"Leaving aside the materials and characteristics left behind by those bizarre creatures, the three most valuable things are these."
The speaker was Isabella. She straightened her clothes, then placed a notebook, a map, and a card on the small table formed by vines.
"This card has that Demigod-level bizarre creature sealed inside... If Bernadette hadn't provided the Duel Card Roselle made, we might not have been able to subdue it... I also wonder how that Traveler from the Abraham Family managed to imprison it in the ruins with only the strength of a Traveler."
As she spoke, Isabella pushed the card in front of Bernadette and continued, "You provided the card, so you should be the one to wield it. I don't think Bruna will object either."
Bruna was not lacking in powerful spirits to serve as helpers, so she indeed had no objection. Bernadette did not refuse either and silently put the card away.
Next, Isabella picked up the map and displayed it. "The map marks the functions of the various facilities in the ruins, as well as the Card of Blasphemy combinations required to enter them. Clearly, Roselle deliberately left it inside...
"You two have already taken a rough look at that notebook. You should know that it was written by the Underworld Emperor and contains a great deal of terrifying occult knowledge. Its contents very likely involve that God's exploration and experiments concerning the paths above Sequence 0...
"From this, it's not difficult to guess that these ruins were actually a laboratory built by the