Frost Mushroom Mycelium is one of six mystic art upgrade materials, there are two ways to get Frost Mushroom Mycelium.
The first way is to gather Frost Mushroom for a chance of getting Frost Mushroom Mycelium. Here are Frost Mushroom exact location on the map:
You can find Frost Mushroom in souteast side area of Kaifeng., and here’s how it look in-game:
Note: It’s not guaranteed to get Frost Mushroom Mycelium all the time but we can increase the chance of getting it by:
Eat Golden Jade Soup from Fuling Shop:
When eating this food, you’ll gain 20 minutes of higher chance of gathering Frost Mushroom Mycelium, so always eat this food first before you start gathering.
The second way is to buy Mystic Skills Breakthrough support box from from Season Shop and Battle Pass Shop:
You can buy 10 Mystic Skills Breakthrough Support boxes per week from Season Shop. Costing you 5000 Jade Fish.
You can buy 3 Mystic Skills Breakthrough Support boxes per week from Battle Pass Shop. Costing you 15 Battle pass tokens.
You can get a total of 39 Frost Mushroom Mycelium from this method, but we don’t recommend getting all Frost Mycelium as you will need other material for other mystic art as well.
In conclusion, To get Frost Mushroom Mycelium, you need to eat Golden Jade Soup from Fling shop, start gathering Frost Mushroom, if you’re lucky you might get Frost Mushroom Mycelium, or you can just buy it all from both Season shop and Battle pass shop.
Other Mystic Art Upgrade materials:
 Beauty's Plume |  Vicious Fruit |
 Buddha's Tear Root |  Jade Tower Pearl |
 Jasmine Stamen |  Frost Mushroom Mycelium |
End.