Fun fact! The requirement of preparing spells and then forgetting them after casting is called Vancian magic, also named after Jack Vance. In D&D you see this in spellcasters who need to prepare their spells, and lore wise it's how magic the gathering works.
In the dying earth books, wizards had to capture demons in geometric thought prisons. When you cast the spell you’re pointing the demon at one weak spot in the construction and out pops the spell effect. Then the demon is gone and you have to reseal a new one in.
Needless to say this was much more dangerous in the books than when it was borrowed for DnD. As a result wizards also carried guns for most of their combat needs. Guns usually don’t try and crawl out of your soul through your eyeballs.
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u/TobiasCB Nov 09 '24
Fun fact! The requirement of preparing spells and then forgetting them after casting is called Vancian magic, also named after Jack Vance. In D&D you see this in spellcasters who need to prepare their spells, and lore wise it's how magic the gathering works.