Article from www.swtor.com:

CHAMPION OF THE DARK SIDE
An unstoppable force of darkness, the Sith Warrior is entrusted with the task of destroying the Empire’s enemies and enforcing Sith domination across the galaxy. The Warrior channels the destructive emotions of fear, anger, and hatred to purge weakness from body and mind and become a being of pure, brutal efficiency.

Destined to eradicate the incompetent chaos created by the Jedi, the Sith seek to rule the galaxy through power and intimidation. The armies of the Sith Empire are trained to accomplish this task, but they require the leadership of bold Sith Warriors—loyal and mighty overlords—who will drive them to conquest and victory.

These cold-blooded conquerors waste no time with cunning manipulations and carefully-crafted plans. Sith Warriors crush their opponents and stride toward their goals with dreadful determination, leaving ruin and annihilation in their wake. Emanating awe and terror at every step, they accept nothing but absolute obedience from their followers. In turn, Sith Warriors can serve as loyal subjects to their own dark masters, often surprising enemies and allies with their rigorous honor and perfect discipline.

Whether they align their ambitions with those of the Dark Council or become renegades in pursuit of their own goals, they are never far from the action. Their fierce hatred of the Jedi keeps Sith Warriors at the forefront of any conflict with the Republic. The passion to eradicate the Jedi Order fuels many of their actions, but that does not make them single-minded fools.

Ultimately, the destiny of any Sith Warrior is his own to choose… and woe to those who would stand in his way.



WORKING WITH OTHERS
A natural leader in any context, a Sith Warrior inspires both fear and undying loyalty into his followers and allies. Though they rarely exercise patience for incompetence or indecisiveness, Warriors have realized the importance of strength in numbers in their war with the Jedi, and have learned to accept and sometimes even encourage their comrades, whether they are like-minded Sith, ruthless Bounty Hunters, or others who embrace the darkness.