Fallen Legion: Revenants is a side-scrolling tactical RPG for Nintendo Switch where players alternate between two protagonists, Rowena and Lucien, to battle through a world shrouded in Miasma. The story follows humanity's refuge in a floating castle ruled by a mad ruler, with each character offering unique combat styles and abilities. The game features real-time combat, character progression, and multiple endings based on player choices, delivering a concise yet deep narrative experience.