Dungeons & Dragons: The Book of Vile Darkness (2012)

In the third installment of the saga, Grayson, an esteemed warrior, finds himself torn with his noble principles as he is forced to battle dragons and demons. When his father falls prey to the clutches of the malevolent Shathrax, the Mindkiller bent on total annihilation, he embarks on a perilous journey. Despite her inner turmoil, Grayson must ally himself with an unlikely group of adventurers to save his father before it is too late.