Neuvillette serves as the Iudex of Fontaine, overseeing the judicial system with unwavering dedication. As the Chief Justice, he embodies the principles of law and order, ensuring that justice prevails in all matters. Beneath his authoritative exterior lies the true identity of the Hydro Dragon Sovereign, a being unfamiliar with human emotions and customs. This duality shapes his approach to justice, as he strives to understand the human condition while upholding the laws of Fontaine.