A high-contrast anime illustration from a left-side perspective, showing a medium shot of Mejin Gasuharu sitting atop a large wooden barrel in a medieval European field camp under a midnight sky with a thin crescent moon. Gasuharu is a lean, muscular Asian man in his early 30s, 190cm tall with ebony skin, short black hair featuring long braids on the sides, and broad shoulders. The left side of his face is skeletal, with a centipede crawling out of the left eye socket; his left arm is completely hidden beneath a long sleeve. He wears a blend of South Asian warrior attire and a Japanese kinagashi with exposed skin, colored in dark orange and moss green with a dark purple obi and zori sandals, his right shoulder bare to reveal toned muscle. A long sword with a macabre sheath of bone and green vines hangs from his left hip. He tilts his head slightly, relaxing with a natural but menacing aura, his clothes splattered with blood. On the ground by his feet lies a severed purple monster arm with four clawed fingers; notably, Gasuharu casts no shadow. The scene is enveloped in a cold, eerie, flickering emerald aura, rendered with sharp ink-like strokes, bold silhouettes, and a nihilistic, high-contrast tone.