Dark Druidess. The Shadow Weaver Chronicles, #1

Saving his life, could end her own.Ravenna has been hiding in the Vale for twenty years, concealing who she really is. The power she holds inside is dangerous and could reshape reality itself. But when she saves Grigori Bastian, her whole world is turned upside down. A feared hunter for the crown, Grigori could spell her doom. Yet he finds himself drawn to Ravenna. But is he prepared to turn a blind eye to what she is?When they are accidentally bound by magic, Ravenna loses control of her powers, placing them both in danger.
Ancient enemies are stirring. Princess Lyanna wants Ravenna's power for herself, and she's willing to kill to get it. Ravenna and Grigori are forced to work together as she searches for a way to control her power. As her enemies close in on her, she is forced to choose - master her ability or risk history repeating itself. She lost everything once; she can't do it again.