After taking it, use poison to control them...
Then use the elderly, weak, women, and children inside to threaten those core Spirit Sparrow experts. That way, there would be no fear that those still somewhat naive Spirit Sparrow tribespeople would disobey, nor any fear that they would dare expose the fact that the mini-realm had been occupied.
As for those with a hardline attitude, poison them to death directly and throw them out, making it look like they died of illness. That would buy them time again and again.
Or have several planted operatives leave the mini-realm, pretending their identities had been exposed and they were killing witnesses to silence them.
As long as Master Wuji did not discover that the mini-realm had been occupied and did not lead a large force of experts into it, they could keep it hidden indefinitely.
At that thought, the venerables suddenly seemed to think of something as well. Their bodies jolted in unison, and they stared fixedly at Pei Yufeng.
The latter gave a strange smile and immediately said, "Have you all thought of it? Based on what that woman just said, and on the current situation of this battle, Xiu Hanzhi must have been captured by the people I left in the Spirit Sparrow Mini-Realm."
"After Xiu Hanzhi and Qi Wuji met again decades later, their eyes brimmed with tears..."
"Qi Wuji would certainly take Xiu Hanzhi into the Spirit Sparrow Mini-Realm for a look around. But the moment they entered, they were ambushed by my planted operatives. That's why Xiu Hanzhi was unable to lead Wuji Town's troops against us."
After saying that, Pei Yufeng nearly burst out laughing again...
The gazes of the venerables froze once more as they looked toward the ruins and dust smoke filling the town.
It