A cinematic wide-angle, low-angle shot depicting a colossal aerial battle at golden dusk above an autumnal northern frontier. Dominating the sky are two impossibly massive floating fortresses: on the left, a brown pentagonal fortress 500km wide with rammed-earth pagoda spires and mud-layered towers; on the right, a bronze hexagonal fortress of equal size armored with overlapping plates and heavy cannons. Between them, twin searing beams of death-light linger like inverted pillars of dawn. To the left, a swarm of 300,000 panoksun-shaped dreadnoughts and massive slab-like aircraft carriers unleash thousands of strike drones and bipedal machines. To the right, 150,000 gothic wedge-hulled cruisers and cathedral-keeled carriers maneuver with flaring energy shields. In the gap, tens of thousands of 18-meter-tall MD bipedal mechs engage in brutal dogfights with missile smoke and laser tracers crossing the sky. Far below, endless pine forests and tiny castle-towns are dwarfed by the scale. The visual style is a blend of painted realism and 80s-90s mecha anime, featuring a high-contrast palette of cold steel-blue dusk against warm orange weapon discharges and amber afterglow.