Quick way to end up with Calvin-ball magic. "Oh, but the red ribbon disintegrates if I toot my wooden whistle, making it doubly weak to fire!"
Presumably you have a limited number of wishes.
But then they're too awesome to use, so you never use them and never find out the enemies can use them against you.
Humor, jokes, memes about TTRPGs
Quick way to end up with Calvin-ball magic. "Oh, but the red ribbon disintegrates if I toot my wooden whistle, making it doubly weak to fire!"
Presumably you have a limited number of wishes.
But then they're too awesome to use, so you never use them and never find out the enemies can use them against you.