Probing

"Only formations can conceal something from the White Tiger Soul-Tracking Technique," Zhou Ninghe said with a sigh. "We're very sure that he hasn't returned to the Great Light Peak, and yet we haven't been able to find him, so he must have hidden in some kind of formation." 

"What you're saying, Elder Zhou, is that only the Tian Luo Sect knows how to use formations in Gale City?" Bai Feng raised her eyebrows and scoffed indignantly. "How is it that even I'm not aware we've become so powerful?"

"There are others who know how to use formations too, but such people are quite rare," Zhou Ninghe replied.

Bai Feng had a sarcastic look on her face. "The Tian Luo Sect must have many disciples who know how to use formations then, right!"

There was nothing Zhou Ninghe could say in response to that.