Digimon Xros Wars: The Evil Death Generals and the Seven Kingdoms

デジモンクロスウォーズ～悪のデスジェネラルと七つの王国～

Digimon Xros Wars: Aku no Death General to Nanatsu no Oukoku

Returning to the Digital World, Taiki and Shoutmon learn that the Bagra Army has taken it over and reformatted the world to have Seven Kingdoms, each ruled by a general. (Source: AniDB)