Chapter 172: Knowing When to Act In front of the Wutong City teleportation array. Chen Ping had already used the Great Dao Primordial Power to alter his appearance and aura. At this moment, his features were plain, his presence subdued. He looked like nothing more than an ordinary independent cultivator at the Golden Core Stage. He paid the spirit stones and stepped onto the array. Light flared, and his figure vanished from the teleportation formation. Qingyun City. The largest city…