The wasteland didn't have many resources, and the Empire had made sure to empty its buildings before the battle. The only real gains of the invaders were the same region and the contents of the space-rings of the fallen. Still, the leaders of the factions would divide them privately.
Wars were usually harmful to both the attacking and defending sides, and it was possible to determine how worth that effort was only years after the battles were over. For now, the three organizations had only gained some random resources and a large amount of land.
Of course, their primary interest was to weaken the Empire, so they didn't care too much about their temporary losses. Yet, the overall number of cultivators in the world was decreasing at high speed due to those fights.
The crisis that those Mortal Lands were waiting for had finally arrived. The greed of the cultivators had been the cause of that trend.