Find 3 ebbnuts. Search the sea bottom around ( -1647, -250, -17 ) Copy/waypoint -1647, -250, -17. Right click and grab.
Lead the camel: Find a dunestrider camel near ( -765, -114, -518 ) Copy/waypoint -765, -113.67, -517.93. Right click and lead it back to Camel Trainer Jabiri and speak to him.
Head to the Oasis of Raef and inspect a note in the log at ( -581, -131, -770 ) Copy/waypoint -581, -131, -770
Speak to Kerakta the guide at ( -364, -119, -820 ) Copy/waypoint -364, -119, -820 or ( -703, -120, -935 ) Copy/waypoint -703, -120, -935 (he roams) - you need to have completed Thulian language at this point, from the quest Fearful Words.)
Kill skeletal cobras for 5 uncommon updates. ( -398, -69, -413 ) Copy/waypoint -398, -69, -413 is a good spot. There is also a good spot at ( -826, -119, -976 ) Copy/waypoint -826, -119, -976
Search for artifacts around ( -336, -131, -1005 ) Copy/waypoint -336, -131, -1005. All the items you need are located anywhere around the top of the oasis (do not bother going down by the water). There are six items to find. Keep harvesting until you get them all:
a correspondence pad Perhaps the only item that spawns by the waters edge as well as around the top of the oasis.
a sketchbook Although large and clearly visible, this took a long time to find and was located at the bottom of one of grassy ramps leading to the water.
a calligraphy set This is perhaps the rarest and the hardest to see sticking out of the sand. It may help to disable Flora in the Game Options so that items on the ground are more visible.
Speak to The Weeping Hermit. He wanders around a spot at a random area around the lake. Try ( -597, -160, -1393 ) Copy/waypoint -597, -160, -1393 or ( -373, -178, -1460 ) Copy/waypoint -373, -178, -1460
Kill the sandcrack gravediggers that are triggered at the resting ground ( -373, -178, -1460 ) Copy/waypoint -373, -178, -1460.
Zone into to the The Living Tombs ( -368.84, -141.48, -1041.48 ). Go straight ahead to the end of the aquaduct, and drop down to the pool below.
Kill the sentinels of Anu'ish, triggered in pool - There are 5 of them, but 3 arrow down mobs, level 50. After you defeat them you can stay on the edge until you are ready for the next encounter.