Take the 2-minute tour ×  I've gotten feedback for a complete
draft of my WIP fantasy novel. Overall it's looking good, but a
couple of friends noticed a significant loophole in the system
of magic I use in the book. The book introduces the basic rules
of how magic works in my fantasy setting. Without making this
too specific about my particular magic ruleset, reviewers liked
the magic system, but these two figured out the same basic
loophole, which basically makes it possible to gain a ridiculous
amount of magical power (way beyond anything anybody has in my
book, and certainly way beyond what my protagonists have).  I
might be able to find a small tweak to the rules that could
close the loophole. But if I don't find something simple, easy
to explain, that makes sense with the rest - is there anything I
can do to solve a major flaw in my magic system, without needing
to rewrite the whole system and novel from the start?
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