Liara T'Soni is an asari scientist and information broker in the Mass Effect series. She specializes in the field of Prothean archaeology and technology, making her an invaluable ally to Commander Shepard. In 'Mass Effect: Paragon Lost,' she plays a crucial role as a supporting character, providing insights and intelligence that aid the protagonist, James Vega, in his mission. Her character is known for her intellect, curiosity, and deep sense of morality, often finding herself torn between her duties and her personal convictions.