It is very likable. I haven't found it very distinctive yet as far as those shonen shows go. I see more imagination in shows like SOUL EATER and HUNTER X HUNTER while SEVEN DEADLY SINS kinda flirts with pushing the boundary and then pulls back. I can't say that I've seen the main protagonist - the captain - actually pushed to the limit yet. As soon as it seems like he's taken on more than he can handle, it turns out he's just faking out his opponents.
Right now though, I have to say that of the new series that are still ongoing, GRIMGAR and GATE are the ones in the fantasy genre that delivered more than expected. Also, I've heard good things about KONOSUBA. If it's anything like IS IT WRONG TO TRY TO PICK UP GIRLS IN A DUNGEON?, I'll give it a watch.