The krypton kin demon king 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

Decades ago, a mysterious meteorite descended on the earth, global biological evolution, and opened the era of Krypton cultivation for the whole people.…The krypton kin demon king