Doomed To Be A King 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.nl fastest updating comic site. The Summary is

One day, a young man ​occupied a mountain, and crowned himself the king. Henceforward, this place was full of masters and beasts. But wait… What am I looking at? Masters are plowing farmlands, and beasts are guarding the yards? Something’s wrong…