You can’t use the fineness thing as a reason for the Philosopher’s Stone to be unique to Flamel as it says explicitly in the chapter that all alchemical magic has the same requirements, and it doesn’t sound at all like Flamel is the only one who can do alchemy.
You can’t use the fineness thing as a reason for the Philosopher’s Stone to be unique to Flamel as it says explicitly in the chapter that all alchemical magic has the same requirements, and it doesn’t sound at all like Flamel is the only one who can do alchemy.