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

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)