After the Myriad Beast sect collapsed. A lot of territories, particularly the planets, the external resource points that are connected through those old space gates, mines, fields, and even people are available for everyone to prey upon.
Of course, the Fiend tribe swallowed as much as it could. Even though they are the ones who essentially destroyed the Myriad Beast sect, they are not going to get everything the sect owns. In fact, they are unable to swallow it with their current strength.
The remaining three powers and even some merchant groups might gang up on them if they really tried to do it.
Not only would they devour the territory and resources left behind by the Myriad beast sect, but they would also lose their own territory and also their connections with other organizations.
Sam, Noah, and Kumar disappeared from the eyes of the Fiend tribe after the war is over.