Inferno

Her title was the Princess Anghara Kaligsdaughter; but now she has forfeited the right to her name and heritage. For she broke the one law that had endured since her people's history began when she breached that ancient tower in a bid to learn to its secret. Now its curse is loosed upon the world, and upon the soul of Anghara Kaligsdaughter. Anghara is Anghara no longer. Her name is now Indigo, color of mourning - and her home is the wide world, for she has no other. She cannot die, she cannot age, for until she lifts the Tower's curse, she is doomed to immortality. She has one friend, who is not human. And she has one enemy that will dog her footsteps wherever she goes. It is Nemesis, created from the darkest part of her own soul. Wherever her wanderings lead her now, her Nemesis will follow...