"Ancient Saint Runes!" Rayne's mind buzzed.
Solim was clearly describing a "creator" race that had come from the distant Void, created many races, sowed the seeds of civilization, and then departed in haste. Those keywords reminded him of the "aliens" from his previous life!
Rayne had always known that Aerenus World was a planet. At the very least, the Material Plane had the form of a planet.
There was one most direct proof of this:
Traveling east from the Aurelian Empire across the Endless Sea led to the west coast of the New Continent. Conversely, if one traveled west from the Empire all the way to Oruan, the homeland of the Elves at the westernmost end of the Old Continent, then crossed the Falling Star Ocean, one could also reach the east coast of the New Continent.
The Material Plane also had climatic differences caused by varying latitudes, stars that moved regularly across the night sky, the curvature of sea level, and so on.
All of these proved that the Material Plane was a planet!
But apart from the Material Plane, Rayne could not determine the forms of the other planes. For example, the Bottomless Abyss consisted of layer after layer of Abyssal Planes that resembled continents, floating in the endless Void. Together, they formed a spatial system with natural passages between them.
The Celestial Realm was much the same as the Abyss, also consisting of many planes that formed a gigantic spatial structure.
The Material Plane was situated between the Abyss and the Celestial Realm, like a bridge between them, while the Astral Plane was the ocean beneath that bridge. Through the Astral Plane, one could travel to the Abyss and the Celestial Realm. Many planes, large and small, were also attached to the Material Plane. The most famous