The final DLC for Dishonored, The Brigmore Witches, is available now via Xbox Live for 800 MSP ($9.99). The pack will be available on Steam and the PlayStation Store later today in North America. It will release in the PlayStation Store in Europe tomorrow.
The Brigmore Witches DLC features the legendary assassin, Daud, and continues his story where The Knife of Dunwall ended. All of the players' actions, Chaos levels, and power, weapon, and item upgrades from The Knife of Dunwall will carry over to The Brigmore Witches.
Learn more about the plotline of The Brigmore Witches from Bethesda's Blog.