At the end of the passageway, Shade's sense of familiarity came not only from the White Mist Gate before him, but also because he had seen this passageway before.
Through Father of Infinite Tree's gift, he had learned the truth of the Fifth Epoch's Witches War. Two Witches had attempted to end the Fifth Epoch with the power of the Witch Council. And the passageway those two beautiful ladies had entered back then was the very one Shade and Miss Aurora had just passed through.
So beyond the White Mist Gate before them must have been the Witch Council.
Using the Time Corridor required the "Time" Spirit Rune, an incantation, and the Time Key.
Using the Space Labyrinth required the "Space" Spirit Rune to open the wall, contact with an Old Gods Statue, and an incantation.
Using the Court of the Inquisitor required the "Balance" Spirit Rune, the Holy Emblem of the Old Gods, and an incantation.
If that pattern held true, entering spaces left behind by the Ancient Gods required at least three conditions: a Spirit Rune, an object, and an incantation.
As for the Witch Council, Shade knew of the Thirteen Witch Ornaments. They should have been equivalent to the Time Key, Old Gods Statue, and holy emblem. The song just now should also have been one of the conditions, though Shade did not know whether it was the incantation or a fourth condition beyond the three.
But even if it really was the incantation, Shade still did not know the Spirit Rune. He did not know the name or primary divine authority of the Ancient God corresponding to the Witch Council, and among the Myriad Aspects of Impermanence Cards, the card corresponding to Witches was simply named Witch.
"Lady, what is behind this door?"
Shade put on