To possess the Heavenly Body is a Manga/Manhwa/Manhua in english language, Action series, english chapters have been translated and you can read them here. You are reading chapters on www.mgeko.cc fastest updating comic site. The Summary is

Both the immortal emperor Xia Guixuan’s generation and his old nemesis were injured, so he withdrew to the core of a distant planet in the universe to recover his wounds. The fairy spirit flowing from him gradually modified the planet’s atmosphere, and it became a livable planet with ample aura. To cultivate and establish their own civilization, the original creatures began to change into humans. Human exploration spacecraft from the Milky Way arrived here a few years later. Unknown powerful entities began to target this area on all levels. Many factions collide, and heroes unite.