Four Knights of the 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.cc fastest updating comic site. The Summary is

Percival, a kind boy, lives with his grandfather in a remote place called "God's Finger". However, the world will not allow him to live in peace. An encounter with a mysterious knight changes their fate, and a shocking secret is revealed. The boy sets out on an endless journey. Whether you know "The Seven Deadly Sins" or not, you can still enjoy it! The world's most awaited adventure fantasy!