From The Ashes. Psychic Visions, #16

Born and raised in a cult with a fanatical father who believed she was destined for greater things, Phoenix endured a childhood of pain and torment. Not only was her father preparing her for the future he saw, he hated that she was stronger, better than he was. When she's finally rescued, her life slowly improves, but still her past hinders her future. Her father has gifted her with one special note, written on a material she has yet to destroy.
In order to get rid of it forever, she travels to Iceland to her father's hometown to visit a fissure of lava that opens every summer. Surely the material will burn in the lava? And she can then be rid of her father and the special note forever .Detective Rowan Einar hates when the damn fissure opens as it always signifies the suicide season-a despicable time of year where people travel to his small corner of the world to end their lives.
When a waif shows up with huge eyes and scars, both external and internal, he wants to ensure she won't be the next suicide in town. But, when he hears her story, he wonders what is going on .Then the deaths begin, . and he witnesses the visions and energies that he's always been able to see have now merged with Phoenix's energies, making the two of them stronger and more powerful. What they see though is even more terrifying .