At the thought of this, Angel felt both amused and helpless.
But then again, Deep Abyss Cave truly counted as an unsolved mystery, and Angel's ties to the Day Mirror Domain were fairly close. Learning of this secret was certainly no bad thing.
So, after steadying his emotions, Angel continued reading.
As Angel finished reading the page, a look of realization appeared on his face.
At first, he had thought the name "Darknessless's Withering" was too obscure, with a hint of pedantic showmanship, but now he understood. He had overthought it.
Darknessless's Withering was, in fact, exactly what it sounded like: a fellow named "Darknessless" had died.
The entire page revolved around "Death of Darknessless."
Including Deep Abyss Cave, which was also an anomaly that had appeared after Darknessless withered away.
It could all be summed up in one sentence: A very, very long time ago, there was a legendary creature whose Law was known as the "Darknessless Domain," and thus it too came to be called "Darknessless." Later, this legendary creature unfortunately fell within the Mirror Realm. The Darknessless Law it wielded withered away, transforming into a lightless domain, while its physical body dissolved and became the vessel sustaining that lightless domain.
In the end, the lightless domain formed a lightless space, and that space became the present-day Deep Abyss Cave.
Angel had previously guessed whether Deep Abyss Cave might be a natural phenomenon of the Mirror Realm. Now the case was solved. Deep Abyss Cave was actually an area accidentally created after a legendary creature's fall, through the combined workings of its remains and its Law domain.
According to the book, Deep Abyss Cave had once been an extremely dangerous place because it still retained the death ripples of that legendary creature. But later, perhaps due to adjustments