Irma is a skilled assassin and a member of the Assassins of the Fang, a group known for their ruthless efficiency in the Queen's Blade series. She is characterized by her stoic demeanor and unwavering loyalty to her master, the enigmatic Echidna. Irma's combat skills are exceptional, making her a formidable opponent in battle. Her backstory is shrouded in mystery, adding to her enigmatic presence. Throughout the series, Irma's interactions with other characters reveal hints of her past and her motivations, making her a complex and intriguing figure.