Valve has announced a brand new downloadable chapter for both Left 4 Dead and Left 4 Dead 2 titled The Sacrifice. Set before the events of last DLC; The Passing, it will detail exactly how one of the original four survivors met their grisly, yet noble end.

The Sacrifice will star the original cast of Francis, Zoey, Louis and Bill; even if you play it via Left 4 Dead 2. However, Valve is not only just giving L4D2 players a chance to play as the originals survivors without loading the original, it’s also throwing the entire “No Mercy” campaign into the DLC for free. While details are very slim on when the DLC comes out, Valve did also confirm that there will be more Left 4 Dead 2 DLC after this upcoming package.