Epic hyperrealistic hollow medieval castle tower 30 m tall, 8 m external Ø, 1 m thick walls yielding a 6 m Ø interior, with four circular timber floor landings (6 m Ø, 0.3 m thick) inset at 0 m, 7.5 m, 15 m and 22.5 m. Ground arched entrance 2.5×3 m leads seamlessly onto the first landing; rooftop platform at 30 m. Cylindrical weathered sandstone with battlement remnants and ivy-clad cracks. Clean mid-poly topology capturing stone blocks and mortar; seamless UVs; 8K PBR textures: Albedo aged gray sandstone with moss, Metallic 0 %, Roughness 70–85 %, Normal/Displacement up to 0.5 m; real-time and cinematic-ready.