Ultra-detailed 3D model of a humanoid reptilian creature. Tall, lean build with green-scaled skin, muscular structure, and elongated limbs. Head features slitted eyes, ridged brow, and sharp teeth with a split tongue. Back covered in armored plates or spines, with subtle bioluminescent markings along the sides. Clawed hands and feet, long tail coiled in dynamic pose. Skin includes scars, pores, and texture variation. 8K PBR textures for scales, eyes, claws, and wet surfaces. Clean UVs, watertight mesh, rigged. Cinematic lighting with high contrast to emphasize depth and detail.