Caerulus Ignus - “Every student begins to learn how to conjure a Patronus in Third Year. It’s become a tradition at Hogwarts since the Second Wizarding War.” (Wirt, Hogwarts, Over The Garden Wall, Gravity falls, Done by KicsterAsh)
kiki-kit: ““W: Fine. W: *grabs his shirt collar and pulls him towards him* I will tutor you for one year, and one year only. I teach you, and you stay out of my life for the rest of my years at this school.