Steampunk battle automaton in abandoned grand moonlit lobby

In an abandoned grand lobby, shot in wide lens from low angle, standing in the center a sound figure holding a sturdy blunt mace, the figure is a flagship battle automaton made with steampunk aesthetic plates, and gold combined with semi transparent crystal edge material. helmet shape inspired by spartans war helmet combined with steampunk element, body armor made of plates, shaped like slim fit armor but really sturdy, elegant and steampunk element seems obvious around joints. it mace handle also made with steampunk themed material with gold accent and diamond edge accent. the image render is like a game scene make the image atmosphere heavy but cinematic, and the ambience light comes from moonlight