Trasta was a female Chiss that was captured by the Phyrexians during the destruction of the Empire of the Hand. She was modified both mentally and physically by her captors, and became a commander in their battle fleet. After the death of Arul at Taanab, she was promoted to Admiral. She died along with everyone else in the Phyrexian naval fleet in 33 ABY, at the Second Battle of Thyferra.