It's fun if you play for a long time.

It requires some grinding, but it's great if you want a game where you get stronger through grinding. The growth speed is fast if you grind all day, but collecting character fragments might be a bit tough. First off, make sure to join a clan that can max out the clan chest. And opening dungeons as soon as you can is the most important thing! It gets really fun to grow your character starting from the dungeons. Come on over.