The clip Harry and Malfoy Duel from Harry Potter and the Chamber of Secrets (2002) with Kenneth Branagh, Alan Rickman
Perhaps it would be prudent to first teach the students
To block unfriendly spells, professor.
An excellent suggestion, Professor Snape.
Let's have a volunteer pair. Potter, Weasley, how about you?
Weasley's wand causes devastation with the simplest spells.
We'll be sending Potter to the hospital wing in a matchbox.
Might I suggest someone from my own house?
Good luck, Potter. Thank you, sir.
Wands at the ready.
Scared, Potter? You wish.
On the count of three
Cast your charms to disarm your opponent. Only to disarm.
We don't want any accidents here. One.
Two. Everte Statum!