Neuvillette is a new Genshin Impact character who will arrive in the Version 4.1 update. He is a 5-star Catalyst user, who uses the power of Hydro. Officially showcased in the Version 4.1 special program, Neuvillette is the cool and orderly Chief of Justice of Fontaine, otherwise known as the Iudex. Appearance. Neuvillette uses the tall male model. He has pale skin, dark blue-shaded slit eyes, pointed ears, and waist length white hair with a single lock that has a blue underside.