Scout Stance - Increases your Ballistic and Initiative scores and your maximum range
Assault Stance - Increases your Strength and Weapon skill as well as increases your Armor by 100%
Skirmish Stance - Increases your Toughness and crit chance.
This career comes with a long list of bow attacks and a fair amount of blade attacks. Shadow Warriors also get the Vengeance of Nagarythe ability. Every 3 mins you can increase your damage by 20% for 15 seconds and unlock special additional abilities on many of your exisiting attacks for the duration.