13 oct 1991 año - During the Halloween feast at Hogwarts, a mountain troll is let loose by Professor Quirrell, who looks for the Sorcerer's Stone.

Descripción:

During the Halloween feast at Hogwarts, a mountain troll is let loose by Professor Quirrell, who looks for the Sorcerer's Stone. Harry Potter and Ron Weasley save Hermione Granger from the troll, and the three become friends.

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