1. Salazar Slytherin's Locket:
* Object: A silver locket with a snake etched on it.
* Location: Initially in the possession of Regulus Black, then hidden in a cave in the sea by R.A.B.
* Significance: Contains a portion of Voldemort's soul, giving him a significant power boost and a sense of immortality. It was ultimately destroyed by Ron Weasley using the sword of Gryffindor.
2. Marvolo Gaunt's Ring:
* Object: A gold ring with a large emerald set in it.
* Location: Initially in the possession of Tom Riddle Sr., then inherited by Marvolo Gaunt, and eventually retrieved by Voldemort.
* Significance: Contained a portion of Voldemort's soul. Voldemort inadvertently destroyed it when he used the ring to try to resurrect his parents, but the curse placed on the ring left him with a dark mark on his hand.
3. Hufflepuff's Cup:
* Object: A golden goblet with intricate carvings.
* Location: Hidden in a hidden chamber in the Lestrange family vault at Gringotts bank.
* Significance: Contained a portion of Voldemort's soul. The cup was eventually destroyed by Hermione Granger using a basilisk fang.
4. Helga Hufflepuff's Diadem:
* Object: A jeweled diadem, a crown-like headpiece.
* Location: Hidden in the Room of Requirement at Hogwarts School of Witchcraft and Wizardry.
* Significance: Contained a portion of Voldemort's soul. The diadem was destroyed by Harry Potter using the basilisk fang.
5. Tom Riddle's Diary:
* Object: A blank diary found by Ginny Weasley.
* Location: Initially in the possession of Ginny Weasley, then destroyed by Harry Potter.
* Significance: Contained a portion of Voldemort's soul and acted as a Horcrux because of a Dark Magic spell cast upon it. The diary was destroyed by Harry Potter using Basilisk venom.
6. Nagini:
* Object: A large, venomous snake.
* Location: Voldemort's constant companion.
* Significance: Contained a portion of Voldemort's soul and acted as a Horcrux because of a Dark Magic spell cast upon it. Nagini was killed by Neville Longbottom using the sword of Gryffindor.
7. Harry Potter:
* Object: Harry Potter himself
* Location: Within Harry Potter
* Significance: Contained a portion of Voldemort's soul because of the connection created when Voldemort attempted to kill baby Harry. This Horcrux was destroyed unintentionally when Voldemort cast the Killing Curse on Harry and was ultimately absorbed back into Voldemort, causing his own death.
The Horcruxes were crucial to Voldemort's immortality. By splitting his soul, he achieved a state of near invincibility, as his body could be destroyed without harming his soul. The destruction of each Horcrux made him weaker, ultimately leading to his demise.