It deosnt, as such, serve a purpose, it is there to stop it being stolen by Voldemort basically :)
Bloody hell.
alchemists only believed that their was a philosophers' stone
Doodle God 2 Philosophers stone + sand (sand=stone+water) (philosophers stone=demi god+quick silver)
i don know
Philosophy+stone
With the stone things that protect hogwarts
Philosophers stone plus metal equals gold. Wizard plus energy equals philosophers stone.
demigod+quicksilver=philosophers stone
Fluffy is a three headed dog in harry potter and the sorcerers stone (harry potter and the philosophers stone as a England copy). He guards the sorcerers stone in the 3rd floor corridor, along with a series of obstacles made by the teachers in Hogwarts school of witchcraft and wizardry. He is indeed a character in that book.
At Hogwarts
Alchemists were the ones looking for the philosopher's stone.
The Hogwarts letter from Professor McGonagall is on page 51.