Ordinary catnip only affects some big cats, and there are particular individuals who aren't interested in this scent; however, the catnip Yuan Xiao fired was modified by the Hunter Association and could win over every tiger-like being.
But those tiger-like beings are still a superpower species. After inhaling the catnip balls, they actually didn't lose their combat abilities, nor were their senses dulled, so thinking of ambushing them while they were distracted was wishful thinking.
Even though they hadn't lost their ability to fight, their desire to battle had been greatly diminished, and they became apathetic towards other things. There was passive resistance even when higher-ups issued orders to their subordinates, and that was enough.
As the big cats of the city were intoxicated, a glacial blue barrier arose in the center of the town, splitting Yueshan City in half.