Godric Gryffindor.
Harry used the sword of Godric Gryffindor.
The sword was Godric Gryffindor's sword.
A broken sword can be a symbol or defeat, or of peace.
celestial bronze
With Godric Gryffindor's sword...
Each of the founders have an item that was important to them. For Godric Gryffindor, this was his sword. He enchanted it so that if a true Gryffindor ever needed help it would come out of The Sorting Hat (which also belonged to him).
Ron Weasley stabbed it with the sword of Godric Gryffindor.
Harry Potter told Neville Longbottom that Nagini had to die so Neville Longbottom decapitated her.
Godric Gryffindor
Yes, he dives in a freezing pool of water to retrieve Godric Gryffindor's sword.
The house of Godric Gryffindor at Hogwarts,the house stands for bravery.
Harry Potter didn't kill the serpent but Neville Longbottom used Godric Gryffindor's sword to kill the serpent.