Arnice (アーナス) is the main protagonist of Nights of Azure. Half-monster, half-human, Arnice is a knight who can weaponize every part of her body. She is the assigned guardian to the sacrificial maiden Lilysse. Since Lilysse is the first to befriend her, Arnice protects her and simultaneously struggles to find a way to save Lilysse from her fate. She appears as a playable character in Warriors All-Stars.