Because he clearly understood that his most important goal was still to clear this dungeon. Currently, with the Demon Venerable around Celestial Essence City temporarily cleaned up, and other Demon Generals and demons left for the broader cultivators to handle, it was a precious time for him to rest and consolidate his strength. Once he anticipates more powerful Demon Venerables arriving in the Calamity Realm, he wouldn't have this leisure time.
As for recruiting disciples for the Martial Venerable Hall, he chose to let destiny decide everything. Even if someone wanted to take advantage of his inattention to do something sneaky, he didn't mind. After all, he is destined to leave this world, and making long-term plans here is unrealistic; it's better to act according to circumstances and let fate decide which lucky person will receive his favor.
His gaze shifted, and his attention returned to the bustling streets of Celestial Essence City.
