dorasu, sirbine, aura battler dunbine tale of the neo byston well, seisenshi dunbine, seisenshi dunbine: new story of aura battler dunbine, 1980s (style), armor, backlighting, cave, cowboy shot, holding, holding sword, holding weapon, light rays, looking at viewer, mecha, mechanical wings, no humans, oldschool, outstretched arm, red eyes, retro artstyle, robot, rock, standing, sword, unsheathed, weapon, wings