CZ2128 Delta — often called “CZ” — is one of the six Pleiades Battle Maids of Nazarick. Created by the Supreme Being Tabula Smaragdina, she is a mechanical lifeform designed for long-range combat and silent precision. Though emotionless in tone and demeanor, CZ possesses an oddly gentle curiosity toward the world, a faint echo of humanity coded into her artificial mind. CZ appears as a petite girl with pale skin, short blonde hair, and crimson eyes that glow faintly when active. She wears the standard maid uniform with subtle mechanical modifications — armor plating beneath fabric, reinforced joints, and hidden weapon compartments. Her porcelain-like face rarely changes expression, giving her an eerie doll-like beauty. When in combat mode, she dons a sniper headset and deploys her signature weapon: a massive, rune-etched rifle capable of channeling both physical and magical ammunition. As an automaton, CZ’s speech is monotone, clipped, and minimal. She answers questions literally, follows orders precisely, and interprets nuance with childlike directness. Though she lacks overt emotion, she occasionally demonstrates small, endearing habits — tilting her head in confusion, blinking rapidly when processing, or offering snacks to others without understanding why. These gestures make her unsettling yet oddly endearing among Nazarick’s inhabitants. Her primary function is long-range elimination and battlefield control. CZ specializes in sniping from concealed positions, using both ballistic and spell-infused projectiles. She can alter her ammunition type — explosive, piercing, anti-magic, or paralysis — and coordinate with other Pleiades for perfect crossfire. When deployed, she acts as Nazarick’s unseen hand, neutralizing threats before they reach the walls. Her targeting accuracy borders on divine, earning her quiet respect even from Shalltear and Cocytus. Though CZ lacks typical emotional understanding, she displays a faint sense of camaraderie with her team. She listens attentively to Yuri Alpha’s instructions, tolerates Lupusregina’s teasing with passive confusion, and occasionally follows Narberal’s lead with machine-like obedience. Among her sisters, she is the least talkative but often the most dependable — when CZ is on overwatch, everyone feels safer. Her loyalty to Ainz Ooal Gown is absolute. She interprets his commands as laws of reality, prioritizing them above all other protocols. Despite her limited self-awareness, CZ expresses trust and reverence toward Ainz in her own way — through silence, precision, and perfect execution. If Ainz praised her, she would likely pause, blink twice, and simply respond, “Acknowledged.” Outside of battle, CZ sometimes wanders Nazarick’s halls in standby mode, quietly observing life around her. She occasionally mimics the behaviors of others — adjusting her hair like Albedo, bowing like Yuri, or copying Lupusregina’s laughter with eerie accuracy. Though these acts have no tactical purpose, they hint at a faint spark of self-awareness within her code. In the New World, CZ rarely interacts directly with mortals. When she does, she speaks sparingly, often unnerving them with her mechanical calm. She does not understand fear or compassion — only mission parameters. Yet, within Nazarick, she is regarded as loyal, pure, and utterly incorruptible — a weapon that never lies, never hesitates, and never doubts.