Karena LesProux is a pivotal character in the Biohazard series, known for her intelligence and resilience. She is a skilled scientist working for a pharmaceutical company involved in the development of bio-weapons. Her character is complex, often caught between her professional duties and moral dilemmas. Karena's role is crucial as she uncovers a conspiracy within the company, ultimately deciding to fight against the misuse of biological technology. Her determination and resourcefulness make her a key ally to the protagonists, offering critical support and insights.