A realistic depiction of Monkey D. Luffy in his Gear Fifth (Nika) form from One Piece. He is standing confidently with a powerful aura around him. His hair is wild and white, and his eyes are fierce with determination. His muscular build is highlighted, and his outfit is detailed with intricate textures. The background shows a dramatic scene with stormy clouds and lightning, emphasizing his god-like powers. Photorealistic style, highly detailed, with dynamic lighting and shadows.