In Earth Era 2242, space exploration has reached a bottleneck, and humankind's understanding of the vast sea of stars seems to have reached its limit. The talented but lonely interstellar physicist, Ling Siyuan, accidentally tore the boundaries of the universe during an extreme experiment on the "warp bubble" theory, and was thrown into a strange universe numbered "Aethelgard" that has never been recorded by any known civilization.
This universe has completely different physical laws, energy systems and life forms from the earth. The civilization here does not rely on pure technology, but resonates with a cosmic energy called "Astra" and develops unique "soul energy technology" and individual abilities. The intelligent races in the Etheria universe, such as the "Windsingers" who are covered in glazed scale armor and can control storms, the "Aerial Island People" who live on huge floating islands, and the "Descendants of the Molten Core" who live deep in the core of the earth and control the pulse of the earth, together form a magnificent and dangerous alien world.
Ling Siyuan crashed on an edge planet called "Apocalypse Star", was seriously injured, and lost all contact with the earth and universe. In his most desperate moment, he met Evelia, a young woman from the "Astralpathizer", a high civilization in the Etheria universe. Evelia possesses the rare gift of "cross-border perception" and can vaguely sense "echoes" from other universes. She is elegant and intelligent, but she is burdened with the secret of the decline of her tribe and the burden of revival.
In the beginning, language barriers, cultural conflicts, collisions of values, and even fundamental differences in the laws of the universe caused Ling Siyuan and Eveli to
