The Legend of Heroes: Trails of Cold Steel is a role-playing video game series developed by Nihon Falcom. It is part of the larger Trails series and takes place in the Erebonian Empire, focusing on the story of Rean Schwarzer and his classmates at Thors Military Academy. The series is known for its intricate storytelling, rich world-building, and strategic turn-based combat. It has garnered a dedicated fanbase for its deep character development and engaging plot.