How to get the first-class soul of forging gold pattern in Spring and Autumn Q Biography?

There are three places where you can get it. 1 is a treasure house for unpacking and blasting. 2. Brush Zhou Wang's treasure, but the harvest will not be too great. 3. It is more expensive to buy this in the game mall. It is recommended to get it through the first one, but you still need to do things needed for unpacking and blasting, such as master keys and blasting bags.