Record of the Kings 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

When the signal fires were lit and the world fell to shambles, those who were once young built an unbreakable wall with their flesh and blood. Who says the men of the Immortal Kingdom can’t hold up the world? With our backs to the people, we are invincible!