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Gold Needles are essential when fighting monsters who use petrification attacks, like Cockatrice and Medusa. If all four of your party members are petrified, the game is over, so Gold Needles are even more important than Antidotes when you are far from town. The spell Stona is a level 6 spell, so you won't be getting it for quite awhile; you'll be relying upon Gold Needles for quite some time.

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