epic battle scene, Total War 3 mod, massive armies, diverse units, medieval knights, archers, cavalry charge, siege weapons, catapults, trebuchets, detailed armor, chainmail texture, banners fluttering, war-torn landscape, scorched earth, castle siege, dynamic lighting, dramatic sky, volumetric clouds, dust and smoke effects, real-time shadows, panoramic view, strategic positioning, intense combat animations, high-resolution textures, enhanced particle effects, realistic water reflections, improved AI tactics, custom soundtrack, immersive atmosphere, 3/4 perspective, action-packed.