Massive ancient alien horseshoe-sha...

Massive ancient alien horseshoe-shaped spaceship, up to 250 blocks long. Dark metallic biomechanical design with thick curved hull, giant central ring, heavy armor plating, layered panels, exposed pipes, vents, antennas, engines, hangars, broken sections, glowing blue energy cores, asymmetrical details, industrial sci-fi, highly detailed exterior, realistic scale, hollow interior with multiple decks, corridors, control room, reactor, engine rooms and cargo bays. Built mostly from deepslate, stone, tuff, blackstone, polished basalt, iron, copper and gray concrete. Natural weathered look.