‘The thing that lives in the castle,’ said Aragog, ‘is an ancient creature we spiders fear above all others. Well do I remember how I pleaded with Hagrid to let me go, when I sensed the beast moving about the school.’ ‘What is it?’ said Harry urgently. More loud clicking, more rustling; the spiders seemed to be closing in. ‘We do not speak of it!’ said Aragog fiercely. ‘We do not name it! I never even told Hagrid the name of that dread creature, though he asked me, many times.’
