It's an exceptional anime. It's art style is a bit, I guess, 5/10. However, the story, as well as the action scenes, are good. There's barely any comedy aspects in it, except for the one Sin and the sword, Greed. The first few episodes are a bit difficult to understand. Basically, the sword know about the Gluttony skill because of another wielder(?), and he knows about it all in detail. Also, I think this is close to Goblin Slayer, so if you like that, then watch this. I liked it. It's a fun, but annoying anime. But it is what it is.