It's a great sword that enhances Geralt's Igni, enhances his critical hit effectiveness, and can also poison foes. It's one of the best silver swords in The Witcher 3 that is perfect for players ...

We're operating under the assumption that the canon ending of The Witcher 3 is one where Geralt has a silver sword crafted for Ciri, finally "approving" of her choice to become a witcher.