Neville Longbottom chops off her head using the Sword of Godrick Griffindor during the Battle of Hogwarts. He takes the sword from the sorting hat that vokdemort placed on his head, and freed himself from the body binding curse.
Snape,Fred Weasley,Voldemort,Harry,Nagini,Dumbledore
Neville Longbottom repays Harry Potter by killing Lord Voldemort's snake, Nagini, the last horcrux to be destroyed in Harry Potter and the Deathly Hallows.
It's Nagini, not Nagani, and Nagini ate the Muggle Studdies Teacher in the Deathly Hallows.
Lord Voldemort killed her with the killing curse and fed her body to Nagini.
Lord Volemorts horcruxes included: - Tom Riddle's Diary - Slytherin's locket - The ring - Helga Hufflepuffs cup - The diadem of Rowena Ravenclaw - Harry Potter - Nagini the snake