In the end, thanks to Annie and the rampaging robot Mulan, they managed to subdue the human-traitor shelter that had sided with the Warp Daemons without much effort. They also had the six newly rearmed idiots escort the rescued survivors—fewer than a thousand, perhaps, and so badly abused by those human traitors that they were barely recognizable—out of there just before dawn.
Their group could practically be called the last to evacuate.
There might still have been some shelters in the city center, but because of their locations and how deep underground they were, the base hadn't rushed to notify and evacuate them. Instead, after making contact, it had told them to prepare for all kinds of emergencies and wait calmly for rescue.
Clearly, the base planned to defeat the Warp Daemons entrenched in the city center and take control of the area before attempting any rescues. That would certainly be safer than forcing an evacuation while the demons surrounded them.
Of course, even though the large-scale evacuation, infiltration, and surprise attacks carried out after the sun had risen in the west had more or less come to an end, the base's long-range artillery and aerial bombardment hadn't stopped for a moment. In fact, they'd intensified after daybreak, continuing to pound and suppress the restless Warp Daemons in the city center without giving them any chance to catch their breath or react.
As for whether their movements were because they'd received word and realized that the "despicable" humans were about to hit them hard, or for some other reason—perhaps they'd learned reinforcements were on the way and were preparing to launch a counterattack—that remained to be seen.
In any case!
After scanning and analyzing the situation, the base had forcibly evacuated all the survivors it could find, rescue, and needed