Find a rare Dye from the shores of the dead tear. Found by harvesting an exotic plant on the island in the middle of the northernmost of the Twin Tears ( -380, -146, -1159 ) /waypoint -380, -146, -1159 (only visible to those who have this quest step open, and may be worth doing this first as the number of plant spawns can be limited, requiring multiple visits)
Find a Perfectly Shaped Chitinous Needle by killing Dustwhip scorpions in the Sinking Sands ( -179, -100, -696 ) /waypoint -178.91, -100.15, -696.29 (semi-rare auto-update).
Find a Wisp of Air from the highest dune. Go to ( -945, -44, -846 ) /waypoint -945, -44, -846. The spot you're looking for is not visible. Move your mouse over the area until a hand icon appears & harvest your wisp.