The air inside the sealed space was scorching, and the atmosphere was oppressively tense.
Time passed.
Reilo repeatedly spread his Mental Power over every corner of the space, his eyes constantly sweeping the area, yet he still found nothing.
In the end,
he took a deep breath and said calmly, "That's right. I'm from the Grand Natural Sciences Academy in Starveil Land of the Surface World. I'm known as Reilo, [Sun Power]. So, who might you be?"
The golden canary Painted Skin Demon also searched the surroundings for a long while, but found nothing.
"Me? Ahem. You may call me the Observer."
The Observer?
Reilo glanced sideways at the canary. The canary slowly shook her head, clearly unfamiliar with the name of this dark creature. It was not some existence like the Nine Serenities.
After a light cough, the Observer continued, "Then, esteemed guest from the Surface World, what brings you here?"
"To ensure the continuation of human scholarly civilization, I came here to obtain the knowledge you possess—knowledge about the Space-Time Force—and to avoid repeating the fate of countless civilizations that vanished into history."
Reilo made no attempt to hide anything and answered directly.
"So that's how it is. Ahem."
A faint voice, a brief cough, and then a sigh.
"I was exiled here and tasked with guarding this dark domain's rebels. It has been more than twelve hundred years. During that time, I have never once stepped beyond this vast valley. I have spent every day among these rebels, doing everything in my power to stop the spread of this black substance. In the long, tedious years, I've known passion, and I've known idleness. Then, a hundred years ago, a powerful being who had fled back from the Surface World told me about the Crusaders' expedition to Night's