Upper body shot of a dark, menacing mechanical knight engaged in a bosstyle boss battle, captured with the gritty realism of an old analog camera. The knight’s battle-worn, intricately designed 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 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 formidable shield, adorned with jagged, twisted patterns and a ghastly visage that seems to stare into the souls of his enemies. The shield exudes a sense of dread, as if cursed by dark magic, amplifying the terror of his presence. The sword’s glow casts intricate shadows across the shield, highlighting its menacing details. The chaotic battlefield around them is set amidst large crystal-blue waves crashing with explosive force, intensifying the dramatic clash between the knight and his adversaries.