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～

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)