Ultra detailed beautiful painting professional portrait of Arnold Schwarzenegger envisioned as the God of War, centered composition, trending on ArtStation, ultra-realistic and cinematic with dramatic and intense shadows, infused with the artistic styles of Greg Rutkowski and Makoto Shinkai, enhanced with a mythical landscape background and fiery skies, adding elements of ancient armor and ethereal glow to emphasize his divine presence, maintaining a balance of power and serenity.