It just breaks my suspension of disbelief, because it makes me painfully aware that this is a universe created out of a manga, and the manga author kept his world as fluid as possible so that he would have no trouble cranking them out. No need to actually foreshadow anything...we'll just do it right before it happens. Why are we doing this? Well it's because of something that happened 100 years ago...let me tell you about it! Ugh.
Also the "big reveals" on this show don't feel like big reveals, because they were NEVER foreshadowed at all. Instead of being like "WHOA, of course! that makes sense!" I just think..."huh? What? Uh, sure I guess."
Then there are the fights. It's the kind of anime where everyone is ridiculously OP and it makes for some awesome fights. From an animation standpoint they are really impressive, which is why I gave the art a 10, but while they are fun to watch, they often make zero sense. Again, it's like the author never wanted to be nailed down. There are no real ground rules or limits on any of the main character's strength, and their abilities feel random.
For instance the Grizzly Sin of Sloth, named King, has the most random powers. He can petrify people, he controls a magical spear that flies around, he has a magical pillow that can transform into different stuff, oh, and he can summon these giant vines. Alright, fine, I got it, but just when you think you understand what his capabilities are he summons a MAGICAL SHIELD out of NOWHERE. Which was clearly just because he REALLY NEEDED that shield. The fighting lost all sense of suspense and danger because it become clear very quickly that whenever one of the Sins has their back against the wall, they're just going to pull out some bullshit ability and win the day.
Then, of course, they have their "special abilities" that they call out by name. Some of them, like Full Counter, repeat often, but the majority of them don't. They're always pulling out a new trick. Like I said, there's no consistency. I always thought the point of naming an ability is so the audience could latch on to it and recognize it in the future, but if you're never going to do it again, why bother? They should just scream out "COOL THING I'M PULLING OUT OF MY ASS" because that would be the most accurate way to describe it.
I also just can't stand Meliodas' personality. You want it summed up in a single phrase? Happy-go-lucky. That's it. That's all. He's just too one-note and it grates on me. I know there's a good story reason why he doesn't allow himself to lose his cool, but he could really use a broader range of emotions. It's kind of bad thing when the main character has the most wooden and thin personality of everyone in his gang.
In conclusion...this could have been a great anime if everything didn't feel so random and off the cuff. It's so clear that so many things where just made up on the spot that it really knocks me out of the moment and stops me from enjoying the show. If I could somehow ignore the glaring plotholes and deus ex machina I would probably really enjoy this anime, but I just can't do that. So I'm going to have to give this a 6 for now.
