Defence Against the Dark Arts

Defence Against the Dark Arts is a required subject from the first year to the fifth year. Before we begin, the house have a lot of committees. Horace Slughorn took over Severus Snape when the latter, became DADA teacher. Both Horace Slughorn, Severus Snape and the Slytherin team are from Stagecoach London.
 * Quirinus Quirrell (book one)
 * Gilderoy Lockhart (book two)
 * Remus Lupin (book three)
 * Alastor Mad-Eye Moody (book four)
 * Dolores Umbridge (book five)
 * Severus Snape (book six)
 * Amycus Carrow (book seven)

First year
"The class everyone had really been looking forward to was Defence Against the Dark Arts, but Quirrell's lessons turned out to be a bit of a joke."

- DADA lessons with Quirrell as the professor

Dark creatures

 * Curing werewolf bites
 * Gnomes
 * Doxies
 * Snails
 * Imps
 * Bowtruckles
 * Ghosts
 * Gargoyles
 * Hags
 * Fire crabs
 * Gytrashes

Spells

 * Curse of the Bogies
 * Knockback Jinx
 * Vermillious
 * Verdimillious
 * Wand-Lighting Charm
 * Smokescreen Spell
 * Green Sparks
 * Red sparks
 * Periculum

Second year
"It is my job to arm you against the foulest creatures known to wizardkind. You may find yourself facing your worst fears in this room. Know only that no harm will befall you whilst I am here. I must ask you not to scream. It might provoke them!"

- Lockhart introducing Cornish Pixies

Dark creatures

 * Cornish Pixies
 * Banshees
 * Ghouls
 * Hags
 * Trolls
 * Vampires
 * Werewolves
 * Yeti
 * Fire crabs
 * Imps
 * Gargoyles

Spells

 * Disarming Charm
 * Tongue-Tying Curse
 * Homorphus Charm
 * Verdimillious Duo
 * Vermillious Duo
 * Tickling Charm
 * Banishing Charm
 * Petrificus Totalus
 * Cushioning Charm
 * Melofors Jinx

Third year
"Professor Lupin had complied the most unusual exam any of them had ever taken; a sort of obstacle course outside in the sun."

- Third year exam in 1994

Dark Creatures

 * Boggarts
 * Grindylows
 * Werewolves
 * Hinkypunks
 * Kappas
 * Red Caps
 * Vampires
 * Salamander

Spells

 * Riddikulus
 * Seize and Pull Charm
 * Freezing Spell
 * Lumos Duo Charm
 * Patronus Charm
 * Orbis Jinx

Fourth year
"When it comes to the Dark Arts, I believe in a practical approach."

- Barty Crouch Jr on his approach of the subject

Dark creatures

 * Erklings
 * Red Caps
 * Dugbog
 * Blast-Ended Skrewt

Spells

 * Cruciatus Curse
 * Hex-deflection
 * Counter-curses
 * Imperius Curse
 * Killing Curse
 * Freezing Spell
 * Aqua Eructo

Fifth year
"Your previous instruction in this subject has been, disturbingly, uneven. But you will be pleased to know, from now on, you will be following a carefully structured, Ministry-approved course of defensive magic."

- Dolores Umbridge's excuse of depriving students of practical defence

Official curriculum

 * Conflict avoidance
 * Counter-jinxes and Defensive Charms
 * Fleeing
 * Iguanas
 * Vampire bats
 * Theory

Dumbledore's Army

 * Stunning Spell
 * Patronus Charm
 * Reductor Curse
 * Diminuendo
 * Tickling Charm
 * Petrificus Totalus
 * Disarming Charm
 * Shield Charm
 * Other jinxes and hexes

Sixth year
"You will now divide... into pairs. One partner will attempt to jinx the other without speaking. The other will attempt to repel the jinx in equal silence. Carry on."

- A N.E.W.T. lesson on nonverbal spells

Dark creatures

 * Dementors
 * Inferi

Spells

 * Nonverbal spells
 * Resisting the Imperius Curse
 * Levicorpus
 * Disarming Charm
 * Stunning Spell