In the game, to obtain Earthstorm Diamonds, you first need to collect the corresponding materials. These materials can be obtained through alchemy.
The reputation of the Cenarion Expedition needs to reach Respected.
Find the Zangarmarsh Quartermaster and they will provide you with the recipe for the Earthstorm Diamond.
The following materials need to be collected:
• Alexandrite (3 pieces)
• Draenor Shadow Diamond (3 pieces)
• Draenor Gold Diamond (3 pieces)
In addition, you also need to collect 2 pieces each of Origin Earth and Origin Water.
After collecting all the materials, you can use alchemy to synthesize them.
• Please make sure your reputation reaches Respect, otherwise you will not be able to purchase the recipe.
• Some in-game gold coins may be consumed during the synthesis process, please make sure you have enough gold coins.
I hope the above content can be helpful to you, and I wish you a happy game!