The story is quite interesting. Seth's past slowly unfolding alongside everyone else in the group makes you interested in the begining. The Nemisis are interesting and complicated as the story develops. I don't remember too much but the arcs were great from what I remember. There was the first big villian who hated poor people and Seth fought him and it was done fairly well. Then the second season focused on this other town I can't remember too much but a lot more happend besides the main plot.
I actually remember the main group promising some guy to help him escape because he was in trouble or something. He had like powers but then they escaped the place without him. I remember being like "bruh they forgot the guy". Yea thats partially why I wanted to read the manga, to see what would come of that. Honestly the thing that describes how I feel about the story best is potential. I was interested in the story but in the 2 seasons that are animated I feel like it didn't hit its lift off point but I can see how the story could get really cool.
Seth was a pretty generic mc. He fights for justice and helps people. Has a bit of a rowdy personality. Not the worst template for an mc. His backstory is ok. Melie on the otherhand is interesting with her other personality it leaves a lot to wonder into regards to her past. Then theirs Doc who I honestly don't remember too much besides him being straight laced and becoming a baby in a suit of armour. The villians were alright but we didn't get much into like the big group that has been hyped up. Grimm was cool, I mean he is just mysterious who knows whats his deal. Again I feel like further in the story the characters could develop more but from the 2 seasons up now they're alright.
The world is probably the most interesting part shown in the first two seasons. Fantasia is a generic like energy power that can do different things. It doesn't try to make too complicated (at least so far) so you don't have think too much about rules. Their have characters with interesting powers so thats fun. The powers so far have been interesting enough. The settings have also been fun. They've been designed nicely and since Seth and gang are traveling island to island their is a good variety. After two seasons my biggest question was "what will the next island be like" so yea world's defenitely interesting.
I don't remember the tracks all too well but I remember they were fitting for the moments. It was good during the fights but listening back they were generic but good.
I remember their were some good animation moments though I think all the times I remember were the only actual good times. The one animation scene I remember was when one the people turned like giant and like glowed yellow, that was cool. Other than that it was standard animation quality. Not too bad not too great. It was fine for what it was.