Power comes in many forms, whether it be in strength, in mind, or in magic. In itself, power can be easily given or taken. But true and hard won power - that is where magic flourishes. So like your own world, the most powerful of spells are not for the weak. Some might spend an entire lifetime mastering but one spell.

As for these relics, they are a mystery of an age gone by, when a goddess and a demon vied for control of the mortal world. Some were made by sorcerers, others by immortal beings. With them, even the weak can play at being strong.