The First Hunter is a Manga/Manhwa/Manhua in (English/Raw) 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

One day the world perished, and a group of monsters emerged to control the whole world. In this eschatology, a group of people awakened and each acquired different special abilities. They are constantly escalating in the struggle, trying to save the world. The infinite chaos mode of Daguai upgrade will be opened soon …