A Dance of Mirrors. Book 3 of Shadowdance

One has conquered a city. The other covets an entire nation. Haern is the King's Watcher, protector against thieves and nobles who would fill the night with blood. Yet hundreds of miles away, an assassin known as the Wraith has begun slaughtering those in power, leaving the symbol of the Watcher in mockery. When Haern travels south to confront this copycat, he finds a city ruled by the corrupt, the greedy and the dangerous.
Rioters fill the streets and the threat of war hangs over everything. To forge peace, Haern must confront the deadly Wraith, a killer who would shape the kingdom's future with the blade of his sword. Man or God; what happens when the lines are blurred?Fantasy author David Dalglish spins a tale of retribution and darkness, and an underworld reaching for ultimate power.