> For the complete documentation index, see [llms.txt](https://kof-arena.gitbook.io/the-king-of-fighters-arena/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://kof-arena.gitbook.io/the-king-of-fighters-arena/gamefi/mystic-cube-exchange-shop.md).

# Mystic Cube Exchange Shop

### Mystic Cube Exchange Shop

* Black Diamonds and Mystic Cubes can be exchanged at the Mystic Cube Exchange Shop.
* Following a certain period of time, the Black Diamonds will be first exchanged, and Mystic Cubes will be exchanged after.
* The available Mystic Cube exchanges (through the Shop) will be determined by the Black Diamond exchanges. The exchange period will follow a certain schedule.

### Black Diamond/Mystic Cube Exchange System

####

#### Black Diamond Exchange

* You may exchange FM for Black Diamonds.
* The amount of Mystic Cubes that can be exchanged will be determined by the Black Diamond exchanges.

####

#### Mystic Cube Exchange

* Once the exchange period ends for Black Diamonds, the Mystic Cube exchange period will open.
* Mystic Cubes can be exchanged with Diamonds, which can be purchased in the app.
* Only the available amount of Mystic Cubes can be exchanged.

### Things to Note when Exchanging

* FM → Black Diamond, Diamond → Mystic Cube exchange ratio will follow a set rule.
* The above exchanges will not incur an additional fee.
* Limitations on exchange amount are based on the player’s Season Tier ranking.

<mark style="color:red;">※ This Guide was written based on the test environment and may be subject to change in the future.</mark>