Festival Of Warriors 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

“Alma mater, home town, blood ties—they’re all but a façade!” The war against organized crime waged by the government has failed miserably… And the world turned into a battlefield of mayhem ruled by one’s fists. The one who unified this hell, Chairman of the Taejin Group, “Jin Young-ui,” has decided to open a competition of man, “Festival of Warriors” in search for a successor. Will our unemployed thug “Kang Dae-oh” rise to the top of the pyramid?!