Assertion: basilisk | /r/HasProperty | revealed by aragog slytherin
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Source sentences:
text: Salazar Slytherin's Basilisk was born in the Chamber of Secrets, as revealed by Aragog Slytherin, in his spite of his fellow Hogwarts founders ' acceptance of Muggle-borns into the school, left a Basilisk deep in the Chamber, in the hope that one day, his true heir would unleash her to purge all that he deemed were unworthy to study magic at Hogwarts.