Hogwarts: My Spell Infinite Derivation

Upon traversing the Harry Potter world, Shire was bound to the Infinite Deduction System. He could gain deduction points by consuming objects and use them to deduce all knowledge.
Thus, Hogwarts welcomed its most gluttonous foodie in history, who was also the most brilliant Charms scholar, alchemist, and Potions Master...
"Eat ten Scottish round-faced fat chickens to gain 1,000 deduction points."
"Consuming five broken magic wands grants 5,000 deduction points."
"Drink a pot of scabies medicine that's about to explode, drink a bottle of tainted aphrodisiac, drink a compound potion mixed with Snape's hair..."
"No, host, can't you eat something better?"
Xia Ergan chuckled.
"It's just earning points, there's nothing shameful about it."
"Alright, Deep Blue, hurry up and do the deduction for me."
"What did you interpret the Firefly Spell as last time...?"