It's Firiel. (from Firiel's song, who was tempted to go with the Elves, but at the same time remained 'Earth's daughter, so she was left behind)
OT: Saw Nightwish live for the 1st time, 19th of November. They rock, it was unbelievable! (sorry, I just had to say it, I'm saying it to everybody these days, no matter how off-topic it is

)