Olivia is the daughter of Ser Thrask, a Templar, and Ambra, a prostitute, who worked at The Blooming Rose. At the age of nine Olivia manifested magical abilities, and her father who was worried about his daughter's well-being instructed her mother to hide her from the Circle of Magi.
Olivia understood the risks that her father took to keep her safe, and although she only saw him rarely she loved him greatly for it.
When Olivia reached adulthood she began to fear for her father's safety, knowing the grave consequences he could face for harboring an apostate. She decided to lift the burden from her father, and leave Kirkwall forever.
Olivia is involved in the quest Wayward Son.
Hawke encounters Olivia at Arthuris's Private Dock while Hawke is investigating an apostate smuggling ring. Olivia has been cornered by the raider and slaver Captain Reiner. With no chance of escape, Olivia succumbs to possession by a Demon which forces her to turn into an abomination.