"Warning: Missing 'credential'; unable to dock... "Three minutes from now, the 'Monica' will return."
Listening to the warnings and watching the "kingdom" obscured by Gray Fog and flickering in and out of view on the projection, Abner activated the Pure White Eye and began observing it carefully.
About a minute later, he closed his eyes and rubbed his throbbing forehead, thinking:
"The Night Emperor's purpose in cooperating with Mr. Door really was to open a gap in Sefirah Castle's seal, allowing the power of the Nation of Disorder to leak out from the Western Continent...
"And this Leak Point is not only deep within the Hidden Space formed by these Mirror Worlds—it is also hidden within the Night Emperor's own Divine Kingdom!
"That faintly appearing kingdom is not the Nation of Disorder itself, but the Night Emperor's Divine Kingdom, which carries part of the Nation of Disorder's power.
"No wonder only the Spectral Empire can approach it, or even dock here.
"But what exactly is this so-called 'credential'?
"Hmm, according to the Monica I just corrupted, after her main consciousness violated the Night Emperor's final command, she still inevitably suffered Punishment and remains asleep to this day.
"In other words, for more than a thousand years, every time the Spectral Empire approached its destination, it automatically turned back, sailing through the vast Mirror Worlds in an endless cycle..."
Thinking of this, Abner asked the green-haired "Monica" beside him, "What is the 'credential'?"
"I'm not sure either... I don't have any memories about that..." Monica shook her head, then, after thinking for a moment, pointed to a groove on the control console. "But I instinctively feel that it is the thing missing from there."
Abner stared at the shape of the groove for several seconds. Then, with a flip