The names on the list were all factions that were part of the Qin Resistance Alliance. Since they had attacked Great Qin, Zhao Fu didn't intend of letting them off and would show no mercy.
Without the protection of the system main cities, these people would quickly die to the Undead Disaster. Even if they survived by sheer luck, they would be listed as wanted criminals, no longer be able to enter system main cities, and be greatly restricted.
The second requirement was something that Zhao Fu was saving for the future.
After striking this deal, Zhao Fu smiled as he said, "Alright, go and close your city gates. Also, use this formation to suppress the life aura from your cities. I'll guide the Skeletons to not harm your cities."