Goblin Slayer 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

From Yen Press: A young priestess has formed her first adventuring party, but almost immediately they find themselves in distress. It's the Goblin Slayer who comes to their rescue--a man who's dedicated his life to the extermination of all goblins, by any means necessary. And when rumors of his feats begin to circulate, there's no telling who might come callingnext... Adaptation of the Novel "Goblin Slayer"