Dance of the Hag — Stephen Leigh

The Assassins' Code

On the bloodsoaked feudal world of Neweden, the Hoorka assassins' guild has survived by adherence to a strict code of honor. Lethal killers, shadowy black-robed agents of destruction, they are pledged to give Fate a chance to free their victims from the claws of Hag Death.

But now the Alliance has allowed Hoorka to operate offworld, the assassins' code is breaking down, and Ulthane Gyll. founder and former leader of the Hoorka, finds the deadly fighting force he created turning against him....