Abyss... Emlyn the Moon's eyelid twitched slightly.
The history of the Sanguine contained extensive records of Devils running rampant during the Second Epoch. Even though several thousand years had passed, whenever he read them, he felt himself growing restless during the reading and for some time afterward, tangled up in chaos.
Derrick the Sun felt similarly, but he did not care too much. When reading certain documents, excessive mental exhaustion and an unnoticed impact on one's psychological state were common knowledge in the City of Silver. That was why one had to receive general education first and listen to teachers recount them.
Abyss... Audrey the Justice, Xio the Judgment, Fors the Magician, and the others also repeated that term in their hearts without realizing it.
In their daily lives, "Abyss" was more often an abstract expression, synonymous with danger, pain, Fallen, and filth.
They had not expected it to truly exist, and to even have layers.
Alger the Hanged Man committed the term "First Layer of the Abyss" to memory. After pondering for a moment, he carefully asked:
"Why would the president of the Psychology Alchemists issue such a task to the other members?"
Upon hearing the question, before Audrey the Justice could answer, Abner spoke first:
"It's simple, because Emperor Roselle once said, 'The human heart is the Abyss.'
"The first place the First Layer of the Abyss connects to is often humanity's extreme emotions and Fallen hearts. Therefore, if it develops an 'entrance,' it must be within the Sea of Collective Subconscious. Only afterward will it gradually erode the corresponding region in reality, allowing the First Layer of the Abyss to truly connect with our world.
"And the Sea of Collective Subconscious is precisely the field the Review Council members of the Psychology Alchemists are most proficient in.