As Shi Lei entered the market, he spotted a visible Formation.
This visible Formation was the very one set up by the Foundation Establishment Deacon Elder of the Qiányuán Sect Market to prevent external Yin Ghost from invading the interior.
Shi Lei had never dabbled in the path of Formations, yet he found them intensely fascinating. He had laid eyes on this visible Formation back when he was still in the Qi Refinement Stage, but his cultivation had been too shallow then to perceive the slightest bit of its profound mysteries.
Chapter 322