Severus Snape.
Neville Longbottom killed Nagani with the sword of Gryffindor.
You kill the basilisk with the Gryffindor sword.
Yes, he dives in a freezing pool of water to retrieve Godric Gryffindor's sword.
Harry kills the basilisk and Neville kills nagini
In Harry Potter and the Deathly Hallows, Bellatrix Lestrange tortures Hermione Granger at Malfoy Manor for information on Godric Gryffindor's sword.
The sword was Godric Gryffindor's sword.
Severus Snape put the sword at the bottom of a lake and then led Harry to it.
It is in the hogwarts castle
With Godric Gryffindor's sword...
Neville Longbottom killed Nagani with the sword of Gryffindor.
Harry Potter didn't kill the serpent but Neville Longbottom used Godric Gryffindor's sword to kill the serpent.
You kill the basilisk with the Gryffindor sword.
Yes, he dives in a freezing pool of water to retrieve Godric Gryffindor's sword.
In a book, Hermione reads that the sword of Gryffindor only takes in that which makes it stronger. In Harry Potter and the Chamber of Secrets Harry uses the sword of Gryffindor to stab the basilisk in the basilisk's mouth; this means the sword contains basilisk venom which makes it stronger and it can kill horcruxes, just like the fang of the basilisk.
yes. Ron destroyed it with the sword of Gryffindor in the seventh book.
In order to beat a horocrux in Harry Potter you have to defeat it with something stronger than itself. The books use basilisk fangs or the sword of Gryffindor.
Harry used the sword of Godric Gryffindor.