Warhammer 40,000: Battlesector - Sisters of Battle DLC EU Steam

Pure of heart and purpose, the Adepta Sororitas are raised from infancy to worship only the Emperor. Known as the Sisters of Battle, they heroically stride through the thickest fighting, shielded by their fanatical devotion and tempered by discipline at the peak of human capability. They stand against all heresy and will go to extreme lengths to root it out whenever and wherever it may be found.

About the base game:

Warhammer 40,000: Battlesector is a fast-paced turn-based strategy game set in the grimdark universe of the 41st Millennium. Pick your force, develop your army, field mighty heroes and fight for victory using superior strategy, awesome abilities, and devastating weaponry.