The forest, as led by her older sister Jôte and the foremothers before her, is too stifled and stilled for Fran's taste. There was always a need for more than to stay in the Warren with the rest of the viera. While she loves her sisters and the embrace of the woods, she needs to feel the freedom of the open air and sky. However, viera society is such that she can't have one foot in and one foot out. Once you leave the Forest, you are gone forever. Even her life as Warden (the protectors) wasn't enough for Fran and only made her more restless. However, she knows that she's strong enough to survive the dulling of her senses and the loss of her ability to speak to the trees. That's why when the party rescues Mjrn from the Nethecite that is driving her crazy with the change to the Mists that all viera are sensitive to Fran tells her sister to return back to the others. She knows that while she would love to have one of her sisters again, she couldn't stand to watch Mjrn suffer and die after being cut off from all she knows.