Alchemy stone is made by alchemists, but the formula needs to be purchased, as follows:

1. First, players need to come to the city of Shattas in Outland.

2. Then come to the position below Shengguang Square.

3. Find the quartermaster in Chatar.

4. You need to buy the formula of refining stone, and you need Chatal's prestige and reverence.

5. After purchasing the study, you can make an alchemy.