Respuesta :
The second instalment of boy wizard Harry Potter's adventures at Hogwarts School of Witchcraft and Wizardry, based on the novel by JK Rowling. A mysterious elf tells Harry to expect trouble during his second year at Hogwarts, but nothing can prepare him for trees that fight back, flying cars, spiders that talk and deadly warnings written in blood on the walls of the school.
Answer:
According to legend, before he left, Slytherin created a secret chamber deep underground in Hogwarts Castle, known as the Chamber of Secrets. That Chamber was home to a monster. a Basilisk that was allegedly supposed to purge the school of all Muggle-borns.
Hope this helps! :D