Gears of War 3: RAAM's Shadow

If you own Gears of War 3 Season Pass DO NOT purchase this content here as you will be charged again. RAAM’s Shadow adds more than three hours of campaign gameplay, featuring missions on both sides of the Locust War. As the COG, play as the veterans of Zeta Squad: Tai, Minh, Valera, and Barrick. As the Locust, you are the fearsome General RAAM with all new executions and the power of the Kryllstorm. Also included are 250 Gamerscore, the Chocolate weapon skin pack, and six new character skins for Versus multiplayer.

Source:

xbox.com