Mythical Invasion: I Slay Gods on Earth 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

The gods descended, invading Earth, and human civilization was driven to the brink of extinction! Guardian Lin Fan returns three months before the gods’ arrival. This time, he is determined to lead humanity to unite the entire nation’s power to stand against the gods!