Harry Potter remembering his first broomstick ride was not happy enough for him to cast WHAT SPELL? (edited at 6:26 pm, January 12, 2017 (IST))
Original question: Harry Potter remembering his first Snitch catch was not happy enough for him to cast WHAT SPELL?
Expecto Patronum (Patronus Charm) [Tigran PETROSIAN] (edited at 11:29 pm, January 13, 2017 (IST))
Original Answer: Expecto Patronum [Tigran PETROSIAN]