A close up of a demonic looking man with a sword in a cloudy sky

3d Anime manhwa style, flat variant colors. Cinematic lights and shadow. Hdr, 16k resolution image. Depict a powerful king in the midst of a fierce duel against a horde of dark, menacing demon-like creatures. The scene is set in a desolate battlefield littered with the fallen bodies of his once mighty army. The king, dressed in ornate yet battle-worn armor with a flowing cape tattered from combat, wields a glowing sword with both hands. His expression is one of fierce determination and sorrow, knowing he is the last line of defense. The dark creatures are closing in, their twisted forms and glowing red eyes reflecting pure malice. The sky above is dark and stormy, with lightning illuminating the scene, casting long shadows that add to the sense of urgency and despair. The ground is scorched and torn asunder, with a sense of chaos and impending doom.