Synergy

For decades, Acheron and Styxx have fascinated Dark-Hunter fans. Individually, their books have been perennial bestsellers.

Now comes the next thrilling volume …

Torn apart by the gods and old wounds, the twin brothers, Acheron and Styxx spent centuries at war with each other.

Now on the heels of them trying to come together as brothers and raise their families as a united team, an old enemy resurfaces, intent on destroying them both.

But this time, they’re not fighting alone. And they have more to lose than ever. If they don’t succeed in putting aside centuries of grudges and mistrust, it’s not just the world that will suffer. They will lose everything and everyone they love.

Yet how do you trust someone who has done his best to not only ruin your life, but murder you?