D'Arden Tal arrives at the city of Calessa to reclaim it from darkness. Even to enter, he must fight his way past the corruption gathering at its gates. Armed with only his mind, his crystalline sword and the sheer force of his will, D'Arden must shatter the chains of corruption which threaten to consume every soul within those stone walls. Deep beneath the earth, he discovers an evil which will cause him to question his faith, his devotion, and his very existence.