C1439 Who set the trap

If the third Earthen Emperor Kun Yun Mirror fragment was truly in Ancient Sage Earth Dragon's Inheritance Ruins, then after he entered, the two Earthen Emperor Kun Yun Mirror fragments he had on him would, under a large probability, be able to sense where the third Earthen Emperor Kun Yun Mirror fragment was.

In that case, after he enters Ancient Saint Earth Dragon's Inheritance Ruins