Trails of Cold Steel III
The blade of Aurelia turns inward, and the true enemy wears a general's uniform.
The Legend of Heroes: Trails of Cold Steel III (閃の軌跡III) is the third mainline entry in Falcom's Trails of Cold Steel sub-series, a turn-based RPG saga set on the continent of Zemuria. Picking up after the turbulent border conflict between Erebonia and Aurelia, the game shifts its primary stage to the Aurelian Empire, where political intrigue, military conspiracy, and the shadowy machinations of Ouroboros threaten to plunge the region into a new and far darker war.
As a fan-made encyclopedia entry, this page celebrates the game's rich worldbuilding, its ensemble cast of soldiers, scholars, and political figures, and the way it deepens the long-running Threads of the Trails universe while remaining accessible to newcomers. It is the bridge between the Cold Steel arc and the broader Zemurian saga that continues in Cold Steel IV and beyond.
Quick Facts
- Developer
- Nihon Falcom
- Release (west)
- 2021
- Platforms
- PlayStation 4
- Nintendo Switch
- PC (Steam)
- Primary setting
- Aurelia, Zemuria
- Protagonist
- Rean Schwarzer
Lore & Background
Aurelia is a proud, ancient empire on the southern shore of the Zemurian continent, long defined by its classical architecture, its powerful navy, and a political culture that oscillates between imperial tradition and republican reform. In the years following the Aurelia-Erebonia border war depicted in Cold Steel II, the nation's military and civilian leadership are fractured. Factions within the Aurelian government push for continued confrontation with Erebonia, while others seek reconciliation. Into this volatile landscape, the remnants of the Crimson Wing incident and the ever-present hand of Ouroboros inject a poison that no public debate can resolve.
The game's narrative weaves together the perspectives of multiple characters—soldiers, politicians, scholars, and the enigmatic Rean Schwarzer, who now moves between nations as a freelance instructor and covert operative. Each character carries personal stakes tied to Aurelia's institutions, and the story rewards players for understanding how a single act of sabotage or a whispered conspiracy can cascade into a national crisis. The world feels lived-in: market districts in Aurelian cities, the salt air of coastal fortresses, and the sterile corridors of military command all carry distinct atmosphere.
Thematic throughlines include the tension between personal loyalty and institutional duty, the question of whether a nation's identity is defined by its emperors or its citizens, and the recurring motif in the Trails universe that the true enemy is rarely the one standing in front of you. Ouroboros, the shadowy organization that has haunted the series since its earliest entries, operates through proxies, making the final reveal of Cold Steel III's central conspiracy all the more devastating.
Reader's Guide
The Legend of Heroes: Trails of Cold Steel III (閃の軌跡III), released in 2020 in Japan and 2021 in the West, is set primarily in the Aurelian Empire on the continent of Zemuria.
The central conflict pits Rean Schwarzer and his companions against a conspiracy within Aurelia's military and political establishment, one that seeks to reignite the border war with Erebonia and is entangled with the long-running schemes of Ouroboros. Key story beats include the investigation into sabotage incidents targeting Aurelian infrastructure, the uncovering of a rogue faction within the Aurelian armed forces, and a climactic confrontation that forces characters to choose between national loyalty and personal conscience.
The game's ending resolves the immediate Aurelian crisis while leaving several threads open: Ouroboros's broader Zemurian agenda is only partially exposed, Rean's own mysterious origins remain unresolved, and the political aftermath sets the stage for the further escalation seen in Trails of Cold Steel IV. For players entering the Cold Steel sub-series, Cold Steel III is the midpoint that transforms a regional border dispute into a continental conspiracy.
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