The Spellswords Saga: Dragonlady: Dragonlady (Volume 8)

The last novel in the series finds our heroine Brenna tattooed still as the double minded beast that she comes to find out that she really is. Kept as a priestess to the dragon itself, she housed its real form within her. Bipolar all of her life was by no accident. Discovering her real father and fatherly love for the first time, she returns to Hades to battle once and for all the creature that she was supposed to protect by living. Sothal had made her immortal thereby making the dragon immortal, too. Brenna had a different idea.