Irma, the Assassin of Fang, operates as a clandestine enforcer within Queen Aldra’s covert death squad, neutralizing threats to the throne during the Queen’s Blade tournament. Her existence remains veiled in secrecy, masked by a mundane facade as a slum-dwelling cleaner. Mentored by Echidna, a former leader of the Assassins of Fang, Irma wields sword and dagger with lethal precision, blending stealth, agility, and the parrying-focused Black Rose technique to overwhelm foes. Her combat philosophy favors swift, technical strikes over defensive tactics, mirroring her reliance on calculated speed. Cold and detached from years of rigorous training, Irma seldom reveals emotion, though unexpected provocations expose fleeting vulnerability. A ruthless pragmatist who employs torture and hostages without hesitation, she paradoxically nurtures stray cats in private moments, her compassion cloaked beneath a mercenary exterior. Shrouded in mystery, her past eludes even most allies. Queen’s Blade participation stems from orders to dispatch dissenting challengers, culminating in her original gamebook arc: targeting Leina Vance before defying Aldra mid-tournament, a betrayal that nearly costs her life until Echidna intervenes. Their fractured bond oscillates between mentorship and rivalry, charged with unresolved tension. The anime adaptation layers her motives, revealing vengeance against Aldra for a broken vow tied to her brother’s wartime death. Later iterations, like *Queen’s Blade: Unlimited*, reimagine her aesthetic with a black head bow, frilled shoulders, and a kunai-adorned red scarf, her combat gear growing more ornate. Spin-offs such as *Queen’s Blade Rebellion* depict her physically shattered after a clash with Risty, left dependent on Echidna—a state underscoring her eroded autonomy yet enduring ties to the Assassins’ legacy. Through each iteration, Irma’s arc dissects loyalty, betrayal, and the clash of duty against conscience. Her dynamic with Aldra and Echidna weaves a tapestry of allegiance and bitterness, while covert acts of tenderness toward strays hint at humanity beneath her austere shell. Universally, she emerges as an enigmatic linchpin within the Queen’s Blade cosmos—a paradox of shadow and flickering empathy, bound by lethal skill and veiled contradictions.