The Bethesda Blog has details on the Void Walker's Arsenal DLC coming to Dishonored on May 14th. This gathers together four DLC packs previously only available as preorder bonuses. Word is: "With the Void Walker’s Arsenal add-on pack, gain immediate access to four content bundles previously available only through pre-ordering Dishonored. The Acrobatic Killer Pack, Arcane Assassin Pack, Backstreet Butcher Pack and Shadow Rat Pack offer unique character bonuses, additional bone charm slots, unhidden books and bonus coins that will aid you in your pursuit of revenge. Found in the Hound Pits Pub, use these items to enhance your playthrough of Corvo’s main campaign in the original game."