Shadowblack

A failed mage turned outlaw must use guile and a handful of spells to challenge a dangerous rival in the second book of an exciting adventure fantasy series from Sebastien de Castell.

With a death sentence hanging over his head, Kellen is forced to abandon his clan and his home. Living as an outlaw, he relies on his wits and allies, the mysterious wanderer Ferius and thieving squirrel cat Reiches, to survive the unforgiving borderlands.

Then he meets Seneira, a young woman cursed with a deadly plague by a ruthless mage. Similarly afflicted Kellen is compelled to help, and it's not long before he's entangled in a conspiracy of magic, blackmail and murder. Loyalties are tested as Kellen races to find the mage responsible before he can claim any more victims

The second novel in a compelling six-book series, bursting with tricks, humor, and a whole new way to look at magic.