Hermione slammed the book shut, handed it back to Viola, who started to make her way back to Dumbledore's office to return it. "A Horcrux," Hermione said, feeling a little sick to her stomach at what she had just read," Is a vessel that a witch or wizard places a fragment of their soul into so if there body is destroyed, they can still live on. It states that the only known ways of destroying a Horcrux includes Basilisk Venom and Fiendfyre and are known to lash out before destruction - conjuring illusions and ill feelings."