Originally Posted by
ShadoTiger
Perhaps you can plan out the difficulty scale through out the quest? For example, plan out by when the player will have -X- number of Heart Containers, both permanent and/or attained from bonus Heart Container Pieces, etc. Ring/Armor acquisition opportunities, and also locations of Magic Containers.
Basically plot out how strong you think the player could/should be through out the quest, as well as looking for opportunities for advancement, and when the player is able to access them.