What is the name of the dark magical force that protects the Philosopher's Stone?
Fluffy, the three-headed dog
<s>[INST] <<SYS>> Answer as briefly as you can to the following question. You are required to give a one-shot answer: <</SYS>> What is the name of the dark magical force that protects the Philosopher's Stone? [/INST] Fluffy, the three-headed dog </s>