Keepers of the Grail Books in Order

Reign and Arielle search for the Grail and an abducted Innocent whose fate may determine whether another Gate of Hell opens. Their growing attraction and uncertain destinies complicate a struggle over power reaching back to humanity’s origins.

Reign rejects claims that he is the Keeper of the Grail while Arielle searches for her abducted mother. Their paths collide in a race to rescue seven women before demons can open the first Gate of Hell.

As demons ravage Mercy City and seek another Gate of Hell, Arielle and Reign discover that the Holy Grail may offer salvation. Their growing relationship and fragile alliances must withstand buried truths and an increasingly desperate battle.

Reign and Arielle search for another Innocent as a demon manipulates human desire and a secretive organization threatens their efforts. With darkness spreading through their own ranks, they face magic that may rival the power of the Grail itself.

A destructive obsidian power is poised to devastate the world, and Arielle has become its target. Reign and his allies face the cost of using dark magic to contain it while another Gate of Hell threatens to open.

As the Gates of Hell collapse, Arielle and Reign confront a war between angels and demons and the approaching destruction of humanity. Knowing the Grail's truth and the price of sealing the gates forces them toward their most difficult choices.