This is the very core of the Cave Heaven that even Elder Xi Yi was astonished by and deeply moved. An Jing believes that if the Pure Land People of the Cave Heaven knew he found the passage to the Ganyuan Sea, they would definitely be anxious.
But An Jing certainly wouldn't do that.
The purpose of his participation in this Four Cities Competition is very clear.
First, to openly get the first place and obtain the clue to the [Replica Heavenly Sword], which is the Evil Fragment.
Second, to find Mou Yunying and bring this good brother back to the Bright Mirror Sect.
Third, to find a chance to connect with the Pure Land People of the Cave Heaven. An Jing has many questions he wants to ask these people, who probably still retain a part of the clear Dao Courtyard inheritance and are not like Subdue Evil, who forgets things.
Fourth, and finally.