Morning Star Medical Venerable

In the ancient times, the meta-universe was a whole, with countless civilizations coexisting, including technological civilizations, cultivation civilizations, and countless demon beasts and ghost clans. Constant conflicts among races led to an explosion of the meta-universe, splitting it into 12 primal universes. These universes are difficult to cross. Each universe is composed of countless planets of various sizes, each giving birth to its own civilization. — Description from novelcodex.org