Dragontiarna: Visionary (Dragontiarna #8)

The legions of the Heptarchy have invaded Andomhaim, and Ridmark Arban stands in their way.

But without aid, Andomhaim cannot defeat the Heralds of Ruin. To seek out the weaknesses of his foes, Ridmark must travel into the depths of the Heptarchy to seek out the mysterious wizard called the Master of Keys.

But the brutal rulers of the Heptarchy will not allow Ridmark to escape their grasp...