Echo

Daire Santos has already saved her grandmother's life - and her soul. But at a cost: the Richter family has been let loose in the Lowerworld. Daire and her boyfriend Dace Richter must work together to find them before chaos ensues and the balance between good and evil is destroyed. As their relationship deepens, Dace's evil brother Cade grows stronger than ever, building his power and forcing Daire and Dace to confront the horrifying prophecy that has brought them all together.
It will leave Daire no choice but to claim her true destiny as Seeker, but only by making an unthinkable sacrifice.