1. The Nature of Earth
“Speak with Grand Elder Earth Djinn Bhozu or Grandmaster Elder Djinn Emine at Zagonur Clifs in the Domain of Vabbi. Defeat nearby foes to draw them out”.
You should have completed this at the Skyscale of Water step #1.
2. Sands of Sifuri
“Take damage from quicksand in Crystal Oasis”.
Go to Amnoon Waypoint and then go North/East, stand in the quicksand to recieve the Sands of Sifuri.
3. Sands of Prosperity
“Take damage from quicksand in Drytop”.
Go to Prosperity Waypoint you can find quicksand directly next to it, stand in the quicksand to recieve the Sands of Prosperity.
4. Sands of the Riverlands
“Take damage from quicksand in Elon Riverlands”.
Go to Skimmer Ranch Waypoint and then go North, stand in the quicksand to recieve the Sands of the Riverlands.
5. Sands of Vabbi
“Take damage from quicksand in the Domain of Vabbi”.
Go to Vehtendi Academy and go North, stand in the quicksand to recieve the Sands of Vabbi.
Rewards:
Skyscale of Earth
1 AP
Continue with Skyscale of Air.