The door is on the right; let's head over there.
After entering the door, there is a resource chest on the right.
After obtaining it, go to the courtyard on the left. Watch a short cutscene, then defeat the enemies in the courtyard.
There is a material in this burning courtyard.
After obtaining this material, enter the adjacent door and head left.
Defeat the enemies that spawn here and pick up the item under the tree.
After picking up the item, head toward the door ahead. There is a chest to the left of the door; open it to obtain Killing Intent Amber Fragment #3.

