5 stars: Pretty good in terms of f2p when comparing to most other hack and slash mobile games. However if you plan on spending money, I'd recommend not. The rewards for spending real money isn't that great to be honest, and it's easy enough to progress with enough patience. Overall a fun game.
4 stars: I'll go with neutral stance, as of now I'm not yet familarize with the system and the story. So this review will be based on my first impression of the game, I enjoy the pixelated art and portrait style that are presents in the game. The gameplay was fast-paced in the beginning so I won't address my though on that until I understand everything. My first impression was that this is an enjoyable game.
4 stars: Pretty fun. Most reviews are on point saying that it is an auto battle game. I enjoy the art style and animations. Only negative is that some stuff isn't explained, like the rebirth system. Also, I couldn't find anything in game to reexplain some of the games mechanics, but that could just be me. All in all, I say give it a shot. It's simple enough that you don't need to give it too much time to figure out if you like it or not.
4 stars: Great game but it should probably be more engaging. I just go in to do the daily things and leave because the later levels are really tough. And 4 star or above healers are really hard to get if they even exist. I haven't got one. So it is too hard without healers.
5 stars: I came to this game after playing grand summoners, ...