Black Skin has been updated to a new version. Go to 블랙스킨 V2.1 and click on the top-right link (or click here) to download the .zip file. Extract all files into Granado Espada\release\user\skin folder. Tick Enable User Skin in GE Config window, and restart game client.
Other versions of Black Skin - Warwolf76 Black Skin • Revised Black Skin • Black Skin v2