Taboo

### Effect

When a word is spoken, the caster is alerted and protective enchantments around the speaker are weakened

> "*HARRY, NO! The name’s Taboo! I told you, Harry, I told you, we can’t say it any more – we’ve got to put the protection back around us – quickly – it’s how they find –*"
> ― Ron, explaining how the Taboo works[source]
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The **Taboo** (*incantation unknown*) was a powerful jinx which designated a word as a key to revealing the speaker's location. This spell was used during the Second Wizarding War. During the said war, saying Voldemort's name was made Taboo and therefore used as a means of capturing members of the Order of the Phoenix, whom the Death Eaters believed to be the only ones to dared to speak it.

## History

### First Wizarding War

Some have theorised that the practice of saying "You-Know-Who" instead of Voldemort's proper name might have begun when he used a Taboo on his name during the First Wizarding War. This is unlikely because Dumbledore encouraged people to use the proper name Voldemort so as to not fear the name. He would not have encouraged this if saying the Dark Lord's name would have endangered people. The most likely explanation behind the fear of the Dark Lord's name is that he and the Death Eaters caused so many atrocities that it inspired fear just mentioning his name, triggering traumatic memories of the War. The Taboo's use during the Second Wizarding War seems to have been novel. It was particularly effective in capturing members of the Order of the Phoenix.

### Second Wizarding War

#### Implementation

> "*No! Sorry, but the name's been jinxed, Harry, that's how they track people! Using his name breaks protective enchantments, it causes some kind of magical disturbance — it's how they found us in Tottenham Court Road!... It was only people who were serious about standing up to him, like Dumbledore, who even dared use it. Now they've put a Taboo on it, anyone who says it is trackable — quick-and-easy way to find Order members!*"
> ― The trio learning of the Taboo spell[source]
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After seizing indirect control of the Ministry of Magic in 1997, Voldemort made his own name Taboo. Thus, whenever his name was spoken aloud, Death Eaters and Snatchers were alerted to the location of the speaker. Since the only individuals who dared speak Voldemort's name were members of the Order of the Phoenix or their allies, the Taboo allowed Voldemort's followers to track down their enemies. Anyone who dared to speak the name and break the Taboo would be hunted down as criminals. Hermione Granger broke the Taboo once while the trio were at Tottenham Court Road, which led two Death Eaters (disguised as construction workers) to their location. Harry Potter broke the Taboo while they were camping during the hunt for Voldemort's horcruxes, leading to their capture by Snatchers. Kingsley Shacklebolt broke the Taboo and had to fight off several Death Eaters before going on the run, which is what alerted the Order of the Phoenix to the Taboo's existence.

The anti-Voldemort radio programme *Potterwatch*, which was run by Order members and sympathisers, took to referring to Voldemort as "Chief Death Eater" as one of their methods of avoiding detection.

## Effects

The Taboo works in a similar manner to the Trace spell, but rather than being triggered when any magic at all is used, it is triggered when a certain specific word is spoken. It works regardless of the age of the speaker and disables some weaker protective magical enchantments. If the speaker is in a building protected by the powerful Fidelius Charm, for example, it may reveal the general area around the speaker's house, but will not break the charm. This spell controls individuals by limiting their freedom to speak, and thus causes great stress, terror, and frustration. Because of these reasons, it is considered to be Dark magic.

## Defence

The Taboo, when triggered can break normal defensive enchantments (invisibility, etc.) such as when Harry Potter, Hermione Granger, and Ron Weasley were captured by the Snatchers. However, when inside the protection of very powerful enchantments such as the Fidelius Charm, the protection seems to remain unchanged. This may be why the trio were protected at 12 Grimmauld Place, even though they repeatedly used Lord Voldemort's name while hiding there in 1997, as whenever Harry looked outside the window, he could see Death Eaters lurking around the place. The Taboo spell can not break a Fidelius Charm, but merely directs a person near the location, if the person does not know the address or is Secret Keeper. Actually, considering the Fidelius Charm is supposed to be the most powerful spell for protecting secrets, it is unlikely the Taboo affects it at all. More likely is the explanation that is offered in the book; that the Death Eaters know the general placement of the building. The Ministry of Magic must have archives, and the Ministry was under Death Eater control at the time. Alternatively, Bellatrix Lestrange likely knew of the house, as she was originally a Black.