Trina Seijo, known in Japanese as 聖女トリーナ (Seijo Torīna), is a mysterious, saintly figure from the world of Elden Ring. She is associated with sleep and tranquility, often referenced through items such as Trina's Lily and the Sword of St. Trina. Though she does not appear directly in the game's events, her influence is felt through lore and items that bear her name, suggesting she played a significant role in the mythos of the Lands Between as a symbol of peaceful slumber.