Priori Incantatem
From Harry Potter Wiki
Priori Incantatem is called "the reverse-spell effect." It can occur when two wands which share the same source for their cores are forced to compete in combat. It can also be induced by analytical spells, like an extension of the Prior Incantato spell.
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[edit] Effects
During a wand duel, a simultaneous spellcasting by both parties will trigger an effect where both wands are linked through a golden thread of energy. The 2 wand holders then compete in a battle of wills, in which the loser's wand is forced to display in ghostly form the spells which had been cast by said wand.
The effect is similar to the spell Prior Incantato, which causes the targeted wand to recall its last spells.
[edit] Known Instances
The only widely-known instance of Priori Incantatem came in 1995, at the graveyard in Little Hangleton, when Harry Potter first duelled with the resurrected Lord Voldemort. The two wands in question both had a phoenix feather at their core from Fawkes, pet of Albus Dumbledore.
- Priori Incantatem rarely ever happens when two opponents forcibly use their wands in battle. The reason it happened during the 1995 duel between Harry Potter and Lord Voldemort is due to the cores their wands shared; since the wands recognized each other as "brothers", they refused to destroy each other, and when spurred on, one forced the other to regurgitate its spells.
[edit] Behind the scenes
- Voldemort's victims were supposed to come out in reverse order. Therefore, since James Potter was killed before Lily, he should have come second after Lily. The book identified James Potter being first to show up on the scene. This was a minor mistake in the series, which was corrected in later editions.
- During the duel, Voldemort's wand emitted "echoing screams of pain", which may refer to the Cruciatus Curse he used earlier on both Harry and Wormtail (when punishing the latter for letting Barty Crouch Sr. escape).
- In the film Harry Potter and the Order of the Phoenix, Albus Dumbledore and Lord Voldemort's wand connect as if they were giving another example of Priori Incantatem, but there is no explanation from the canon as we know that could explain this event. The Director had admitted that he did want their wands to connect in the movie for effect however.
- In the book Harry Potter and the Goblet of Fire Mr. Diggory places Harry's wand and his wand together to recreate the spells that Harry's wand used.
