The item is not available on the STEAM marketplace.
Warhammer® 40,000: Dawn of War® - Soulstorm
Dawn of War: Soulstorm (ROW)
The third and final expansion to the genre-defining and critically-acclaimed RTS, Dawn of War. In Soulstorm, two new armies are introduced – Sisters of Battle and Dark Eldar - raising the total number of playable armies to nine.