A prince inherits a medieval world that never stopped being a war machine. Galient drops you into that collision without apology, where swords and castles exist because ancient giant robots buried themselves underground and waited. Watching a kid figure out his dead civilization's weapons while kingdoms crumble around him is the actual story here, not the mecha spectacle layered on top of it.
Prince Jordy Volder grows up sheltered in his castle, unaware that a ruthless conqueror named Marder is systematically consuming the kingdoms of Arst. When Marder's mechanical forces finally breach Jordy's homeland, the prince discovers an impossible truth buried beneath the earth: ancient giant robots called panzers, relics of a civilization that vanished millennia ago. One of them, the legendary Galient, responds to Jordy's call. Piloting this colossal machine, Jordy transforms from sheltered royal into a soldier fighting for survival. But Marder commands an entire army of panzers, and his ambitions extend far beyond Arst itself. He's preparing to seize control of the entire Crescent Galaxy, using conquest as a stepping stone toward cosmic domination. Caught between his inexperience and his responsibility, Jordy must master Galient while building alliances across a fractured world. Around him, the line between medieval fantasy and advanced technology blurs. Victory demands learning not just how to pilot his mechanical guardian, but why these weapons were buried in the first place.