A Free Intel

From the cave to the east of Hidden Moon Mountain, bursts of wailing could be heard...

1. Teleport to the mountain in front of the annex, turn around and run along the road to the cave. Enter the cave and use Listening to identify the position of the wind to treat Ada with Qi, then talk to him and get clues.

1. Teleport to the front mountain of the annex, go to Tiangong Cave and pick up the Broken Secret Book in the Arrow Fire.
2. Teleport to the mountain in front of the annex again, turn around and run to the cave along the road. Enter the cave and give Ada the "Broken Secret Book"

1. Teleport to the mountain in front of the annex, jump down on the left side, go straight to the road, pass the three-way intersection, go straight, and jump down again.

There is a cave with an iron cage next to it. Go in and clear the place.

After defeating the monsters, open the innermost box and defeat Ah Da. Ah Da begs for mercy and then leaves. The mission is completed.

(If Ada, who made the dungeon first and then found it, picked up the props but couldn't talk, just run through the dungeon again and come out from the end)