The "Fencer Trilogy" is a series of role-playing video games developed by Nihon Falcom. It includes three titles: "The Legend of Heroes: Trails in the Sky," "The Legend of Heroes: Trails of Cold Steel," and "The Legend of Heroes: Trails from Zero." The games are set in the same universe and feature interconnected stories, characters, and gameplay mechanics. Each installment focuses on a group of heroes as they navigate political intrigue, personal struggles, and epic battles. The series is known for its deep storytelling, character development, and turn-based combat system, appealing to fans of the JRPG genre.