After the Samaritan Women's Spring in the cavern had been completely sucked into the pitch-black hole, all that remained was wet sludge covering the ground, a few puddles that seemed more substantial than the pale spring water, and the words echoing in Angel's ears:
"The Blood Son of Heaven disturbed the Underworld; the Underworld Daoist sacrificed himself and entered the river."
An emperor designated by "blood" had thrown the realm of the dead into turmoil, while a cultivator designated by "the Underworld" had sacrificed himself and entered a river?
Angel interpreted the Chinese words according to her own understanding while looking up at the cavern's ceiling. Her gaze pierced the obstructions, as though she could see a sea of gray fog.
She knew Klein was observing this place too. At the very least, his Worm of Spirit was watching.
In the palace above the gray fog, Klein's consciousness returned from the Stone Chamber in the Mirror World.
Before him were rippling crimson light and a prayer light. Inside the latter, Angel was looking in his direction.
The Blood Son of Heaven... Without a doubt, this refers to the Blood Emperor, Alista Tudor. That also matches the identity of the phantom that crawled out of the Samaritan Women's Spring just now, only to be forced back in. Does the first part mean he once tried to draw on the power of the sealed River of Eternal Darkness, only to be corrupted and perish? That Sefirah corresponds precisely to the Underworld and the realm of the dead... Was the Blood Emperor still restless within the River of Eternal Darkness, attempting to resurrect himself and even "disturbing" the Underworld?
Klein tapped the tabletop with a finger, tilting his head in thought.
*Was the Underworld Daoist that old man with the diadem, a