Amethyst 84 is a supporting character in the anime and manga series Houseki no Kuni (Land of the Lustrous). As a Gem, Amethyst 84 is one half of the Amethyst twins, known for their skilled combat abilities and their close, almost inseparable bond with Amethyst 33. Both share a calm and composed demeanor, often acting as guardians and protectors of their fellow Gems. Amethyst 84 plays a crucial role in the group, displaying loyalty, teamwork, and a strong sense of responsibility.