Dark Mark

> "*...You-Know-Who and his followers sent the Dark Mark into the air whenever they killed. The terror it inspired... you have no idea, you’re too young. Just picture coming home and finding the Dark Mark hovering over your house, and knowing what you’re about to find inside... Everyone’s worst fear... the very worst.*"
> ― Arthur Weasley[source]
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The **Dark Mark** is the symbol of Lord Voldemort and his Death Eaters. It refers both to a magically induced brand that every Death Eater bears on his or her inner left forearm, and to the same symbol conjured in the air by the spell *Morsmordre*.

## Appearance

> "*Then he realised that it was a colossal skull, composed of what looked like emerald stars, with a serpent protruding from its mouth like a tongue. As they watched, it rose higher and higher, blazing in a haze of greenish smoke, etched against the black sky like a new constellation.*"
> ― Description of the Dark Mark[source]
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The Dark Mark appears as a glittering green skull with a snake protruding from its mouth. This might have been inspired by the hiding place of the Basilisk in the Chamber of Secrets. When summoned, the basilisk would emerge from the mouth of Salazar Slytherin. The serpent is also the symbol of Slytherin house, and thus appropriate to be used by the Heir of Slytherin.

The symbol might also be related to Lord Voldemort being a Parselmouth, a gift he thought made him unlike the rest of the wizarding world. The Dark Mark on the forearm is black, while the Dark Mark conjured by *Morsmordre* is green, this is most likely for more contrast with each respective background as a black Dark Mark would be hard to see in the night sky. It is also said that the Dark Mark represents immortality and power.

## On the arm

> "*The werewolf might be allowed to wear Death Eater robes when they wanted to use him, but only Voldemort's inner circle were branded with the Dark Mark: Greyback had not been granted this highest honour.*"
> ― Harry Potter regarding Fenrir Greyback's lack of a Dark Mark[source]
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An inactive Dark Mark appears as a faint mark on the inner part of the left forearm, similar to that of "a vivid red tattoo"; an active one is jet black.

Lord Voldemort placed the Dark Mark brand on his followers' inner left forearms both as a sign of their loyalty to him and as a method of summoning them to him when he desired. This was done by pressing his finger to any Death Eater's Mark, which turns it jet black and delivers a burning sensation to any person with the Dark Mark. Feeling the burn, the Death Eaters then Apparate to Voldemort's side. It is unknown whether all Death Eaters will always feel the burning, or if Voldemort can choose to signal a specific person or people.

The deepness of the Mark's colour is connected to Voldemort's physical health. When Voldemort suffered his first defeat, the Marks on the Death Eaters faded, but as he began regaining his strength, the faded marks became clearer, and burnt slightly, a sign of Voldemort's return to his Death Eaters; the burn may be sudden and stings rather sharply, as Snape suddenly gripped where his mark was during the night Harry Potter was solving the Golden egg riddle. Death Eaters could also use it to signal Voldemort by pressing on their Dark Marks. Bearing this mark also allows the Death Eaters to bypass a cursed barrier that is also invented by Voldemort. During the height of the Second Wizarding War, they were under orders to only signal Voldemort if they had successfully captured Harry Potter, or face severe penalties. After Voldemort was defeated for the final time, the dark marks faded to a scar, similar to Harry's lightning-bolt scar. They would no longer burn, but would remain nevertheless. There is no possible way of getting rid of the Dark Mark.

Only Voldemort's inner circle were branded with the Dark Mark, which was considered a great honour among his followers. Thus, people like the Snatchers never received one.

Hermione Granger used the Protean Charm to create special coins for Dumbledore's Army, which would heat up when signalling a meeting, and she claimed that she indeed got the idea from the Dark Mark.

## In the sky

As a signature of their work, the Death Eaters can also use a spell to create an image of the Dark Mark in the sky. The incantation of this spell is *Morsmordre*. The appearance of the Mark in the sky is basically the same as the Mark on the forearm, but green.

Notable uses include in the woods during the 1994 Quidditch World Cup Final, when it was cast by Barty Crouch Jr, and over the Astronomy Tower of Hogwarts School of Witchcraft and Wizardry by Gibbon in 1997. It normally appears where there has been death by the hands of Death Eaters or Lord Voldemort.

The other form of the Dark Mark has been seen when Voldemort touches the Dark Mark branded on an arm, a skull forms in the sky above and the alerted Death Eaters Apparate out of its mouth instead of a snake.

## Behind the scenes

* Fred and George Weasley created Edible Dark Marks for their joke shop.
* The Dark Mark in the sky and on the Death Eaters' arms are different in appearance. The one in the sky is plainly a skull with a snake coming out straight out of its mouth, while the brand on a Death Eater's arm is much more intricate and detailed, the snake being much longer and winding.
* The spells used to brand and conjure the Dark Mark were likely invented by Lord Voldemort. He may have based the spell on the Protean Charm, as Hermione Granger mentioned in 1995 that the Dark Mark inspired her to use the Protean Charm to create the method of communication used by Dumbledore's Army.
* Peter Pettigrew, despite being a low-ranking soldier for his cowardice and lacking skills, is branded with a Dark Mark. However, he is not given the same respect as the other Death Eaters would receive, and is instead treated as a lowly household servant by both his master and his colleagues. Voldemort would use this particular Dark Mark brand shortly after his resurrection to summon his other Death Eaters.
* When Hermione Granger remarked that once the Ministry started hunting down Death Eaters, Sirius Black's lack of a Dark Mark would be evidence that he is not a Death Eater, which meant that bearing a Dark Mark is sufficient evidence.
* During the Second World War, members of the Nazis paramilitary organisation the Waffen-SS had their blood group tattooed on their inner left arm.  During the immediate aftermath of the war, this was used to identify fugitive SS men. This may be the inspiration for the Dark Mark.
* During his studentship at Hogwarts, Gilderoy Lockhart shot a holographic image of his own face like the Dark Mark into the air, in an attempt to garner attention.
* Voldemort summoning his Death Eaters by touching their Dark Marks and vice versa seems to be the same, or at least a similar, magic to Credence Barebone summoning Gellert Grindelwald by touching the Deathly Hallows necklace Grindelwald gave him.
* Another potential inspiration is the ancient idea that when a man or woman made a deal with a incubus or succubus to become a witch, they gained a visible mark or blemish on their skin to mark them as one who had made a deal with a demon.