The vast majority of the levels have great detail and imagination, and you get a sense of how much time must have gone into developing this game. (gamegrin.com)
Though quests do generally reward experience to specific skills (Dragon Slayer rewards Strength and Defence experience), the great majority of leveling is done simply by going out and grinding away at whatever it is you want to raise. (errantpenman.com)
It's just that the vast majority of levels end with infuriatingly tough bosses who would feel a whole lot more manageable if I had started the game with an option to shoot upwards, dash upwards to deal with bosses that cheaply move out of range, or be free of an arbitrary number of lives. (thejimquisition.com)