Upper body shot of a dark, menacing mechanical hkstyle knight in the heat of an intense, action-packed battle, captured with the gritty realism of an old analog camera. The hkstyle knight's intricately designed, battle-worn helmet reflects the eerie glow of his weapon—a massive, twisted sword. The blade crackles with dark energy, gathering ominously at its tip, where a glowing orb of dark purple and translucent Amber light pulses with immense, destructive power. The energy radiates along the length of the blade, casting a sinister glow that illuminates the knight’s helmet and armor, creating stark contrasts between light and deep shadows. In his other hand, the knight wields a terrifying shield, adorned with jagged, twisted patterns and a ghastly visage that seems to stare into the souls of his enemies. The shield emanates a sense of foreboding, as if cursed by dark magic, adding to the overall terror of his presence. The glow from the sword throws the intricate details of the shield into sharp relief, casting long shadows that flicker across the chaotic ocean battlefield amidst Large Crystal blue waves,