King of Apocalypse 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.nl fastest updating comic site. The Summary is

Qin Yu was killed a few hundred years into the future during the apocalypse due to a misjudgment. He then traveled back in time before the apocalypse kick off, relying on his battle hardened apocalypse experience and techniques, Qin Yu rapidly developed into a formidable opponent, passing through hurdles, saving the world all while protecting his beloved sister.