Next, head to the right. There is a Dust item on the wooden pole to the left.
Interact with the wall on the right to obtain Dust.
Walk forward a few steps, and the system will teach you to press V to sense the direction of the quest. After sensing, you'll be able to see the quest icon.
Continue forward and use the rope to cross over and eliminate the enemies.
Walk a few steps to the right and slide down using this rope.
After coming down, walk forward a few steps to talk with "Yu'er." Select every dialogue option during the conversation to unlock the side quest "Flesh Flower."
After the dialogue, open the map. You'll see the marker for this new side quest nearby. Don't worry about it for now; most side quests in this game are tied to the main story, so you won't miss them.
