Wind Sword 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

The world is riddled with beasts and demons, however little do people know that a magical barrier is currently sealing away high-level demons. There are those who wish to break the barrier and bring about the end of the world, and those who wish to protect it and its inhabitants. A great battle with heroes, villains, demons and magic is about to begin and will determine the fate of the world.