All who wield the dark arts must pay the price.

And all his wizard friends went straight to Hell for practicing witchcraft

And use them for his evil magic.

At this time Satanism freak.

Avada Kedavra!

Avadakedavra

Avadakedavra

Aveda kedavra

Barty Crouch...

NSFW

BELLATRIX: I killed Sirius Black! I killed Sirius Black!

Chinese black magic

Demon

Evil Bellatrix Laugh - Lastrange

Generic demon activity

Had it wrong. Snape doesn't want stone for himself, he wants the stone for Voldemort.

Hellhound Spell

Hideous creatures

Horcrux destroyed #hermione granger #ron weasley #voldemort #horcrux

In Professor Quirrell. But but that day, during the quidditch match, Snape tried to kill me.

NSFW

Kill him! Voldemort

Killing Witch Doctor Morphed

Malfoy.

Necromancer Revive

Necromastery Morphed

Obviously Snape

Potions, but everyone knows it's the dark arts he fancies. He's been after Cruels job for years.

Reanimating a corpse!

Satan

Satanic

She is a WITCH

Slytherin

Slytherin

Snape Snape

SpookyImp Spell

These are Golems possessed by devil minds

Vampire Spell

Vo hex death

Voldemort laugh

Voldemort spell

Voldemort started to gather some followers. Brought him over to the dark side.

Voldemort tried to kill me.

Warlocks

Witch Attack 02

You must be cursed.

You there, Harry? This is Professor Quirrell. He'll be your defense against the dark arts teacher at Hogwarts.

9. Amdusias

15. Eligos

122. I Am Satan

Avada Kedavra! No! Cedric!

Death Eaters are coming... Ron.