This is Lucy's character Seraphine in Hunted: The Demon's Forge...don't you just love the eyes? :) Many thanks to Barbara Davies for the image. Click on the thumbnail to get the larger version.
On the official site 3 of the 4 main characters are now visible:
http://www.huntedthegame.com/index.php/uk/characters
Seraphine's page is still a work in progress, but it confirms the pic on the far right of the characters page is Seraphine:
http://www.huntedthegame.com/index.php/uk/characters/seraphine/3
For more info about Lucy's role on Hunted: The Demon's Forge, go to the AUSXIP Lucy Lawless Hunted The Demon's Forge subsite