Darkness Unleashed (#6, The Mystic Wolves‪)‬

Nothing is as it seems.
Alliances will be forged and broken.
Friendships will be tested.
The bitter sting of betrayal cuts the deepest ... prepare your hearts for the DARKNESS UNLEASHED.

As the startling truth behind Darcy's strange behavior is revealed, the race begins as time runs out for Mason to save his beloved mate. Fighting against an unknown enemy, he must rely on instinct and powerful magic to uncover the devious plot to destroy the woman he loves. Just when Mason thinks he understands and has everything under control, the true mastermind behind recent attacks steps forward to claim authority over the Supernatural community. As the Master releases his cruelty and malice on those who dare to defy him, it will take everything the Mystic Wolves Alpha has to protect those he's pledged to serve.