Chest Hunt: The Temple Where Sand Flows Like Tears
Chest #9 is Mysterious Clipboard #14, if you've not found the previous 13 clipboard chests and picked up the picture from the mailbox in Vanarana it won't be available.
Required World Quests — Wisdom Has Built Her House, She Has Hewn Out Her Seven Pillars
Timestamps
0:00 Chest #1
4:47 Chest #2
6:00 Chest #3
7:09 Chest #4
8:22 Chest #5
8:58 Chest #6
10:09 Chest #7
12:01 Chest #8
12:46 Chest #9
13:15 Quest