The Andovia Chronicles Complete Series - The Andovia Chronciles, #6

Magic lives within her... Saved from death by the mysterious Darius, Nyx Ashwood faces an uncertain future, dealing with a power she never knew she had. As a Fae mind whisperer, she is the last of her kind. Will she save the Fae or destroy them?The Archdruid believes that Nyx is part of an ancient prophecy. The power within her could hold the key to all their futures, but Nyx has no idea how to use her powers, leaving them all in danger.
When a rift to the underworld opens, Darius needs Nyx's help. If they don't work together then the inhabitants of the Underworld could destroy their world. Will Nyx master her powers in time? Or will she end up like the mind whisperers who came before her...extinct?