A Guardian's Eternity (The Guardian Series Book 5)

With an ancient and deadly enemy lurking nearby, the Royals are bonded, closer than ever. Each of them has a reason, one stronger than anything they’ve ever experienced, to see this new enemy vanquished from their lives forever. During these trying times, they have to deal with the appearance of many new faces; some friend and some foe.
Copernicus Bohm has lived a long and violent life. Now, rich and powerful, he needs the one thing that he knew could make him invincible. And, he usually gets what he wants. Only this time, fate has pitted him against the deadliest creature to ever walk the earth; Tahlia, the Dark Queen.