Nicomo Cosca was a soldier of fortune, often remembered as being a drunk and a treacherous snake. He started off serving as a mercenary of the Thousand Swords until he meets the young Monza Murcatto and her brother Benna Murcatto. He teaches Monza to spar and they save each other's lives once. He becomes Captain General and he and Monza engage in false fights, earning money all the same.
Monza, under the pressure of her employer Duke Orso of Talins and her brother; betrays Cosca and replaces him as Captain General. Cosca is forced into exile. During this time, roughly a few years before the First Law Trilogy, he drinks repetitively and becomes weak.
As he controls a mercenary company in Dagoska,