She also wears extremely revealing clothing, and reveals that her tattoos represent various events throughout her life - some are actually the results of experimentation, while others have been added in reference to prisons, kills or other activites Jack has been involved in. Her appearance is extremely different from most in the Mass Effect universe - Jack is completely bald, and practically every inch of her skin is covered in tattoos. She is particularly untrusting of Commander Shepard, and seemingly can't understand why the Commander shows an interest and talks to her. During her time as 'Subject Zero', Jack was routinely injected with drugs and forced to take part in extreme experiments designed to make her associate acts of violence and killing with pleasure.Īs a result of this, Jack is unpredictable, crass, revels in violence and is often rude to others. Jack is often extremely unstable, a result of her brutal childhood at the hands of Cerberus. After being captured for her crimes she was put in stasis on the prison starship Purgatory, and was reawakened when Commander Shepard came to recruit her in Mass Effect 2. fail to complete the Grissom Academy mission in time Jack will be recaptured by Cerberus and turned into a Cerberus Phantom that Shepard and their allies will then be forced to kill. She is a criminal who was convicted of piracy, kidnapping, vandalism, and murder. Should Jack survive to Mass Effect 3 she will become a teacher at Grissom Academy for new biotic students.