Fenrir is not killed or defeated but send to Azkaban after the battle of hogwarts
He is defeated by Ron, Neville and Harry and is taken to azkaban and breaks out but is kissed by a dementor.
Fenrir Greyback
Fenrir Greyback attacked Ron Weasley during the Battle of Hogwarts in "Harry Potter and the Deathly Hallows." He targeted Ron as part of his savage nature, seeking to inflict pain and terror. However, he was ultimately thwarted by other characters, including Hermione Granger, who intervened to help Ron during the conflict.
Hermione Granger was with them and so was Neville Longbottom.
Dean Thomas, Ron Weasley, Neville Longbottem, and Seamus Finnigan.
He is defeated by Ron, Neville and Harry and is taken to azkaban and breaks out but is kissed by a dementor.
When you defeat Sephiroth, Tifa gives you the Fenrir Keyblade.
Defeat Sephiroth.
Fenrir Greyback bit Bill Weasley and Lavender Brown as well as Remus Lupin. He was not however in werewolf form while biting Bill or Lavender, therefore they did not become werewolves.
Fenrir Greyback
It was Lavender Brown. In the book he is blasted away from her by Hermione Granger before he attempts to eat her but he did bite her in the book.
You cannot get Mickey's Keyblade in Kingdom Hearts II.
Fenrir Greyback attacked Ron Weasley during the Battle of Hogwarts in "Harry Potter and the Deathly Hallows." He targeted Ron as part of his savage nature, seeking to inflict pain and terror. However, he was ultimately thwarted by other characters, including Hermione Granger, who intervened to help Ron during the conflict.
Ron and Neville supposedly killed Greyback. In Harry Potter and the Deathly Hallows it says Ron and Neville bring him down. That could of meant killed him.
In order to obtain the Fenrir keyblade, you must defeat Sephiroth.
Hermione Granger was with them and so was Neville Longbottom.
Neville Longbottom