> For the complete documentation index, see [llms.txt](https://docs.marblex.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.marblex.io/games/pixel-tamerz/black-diamond.md).

# Black Diamond

Black Diamond is a mileage-exclusive currency that can only be purchased at the Pixel Tamerz Webshop. Black Diamonds purchased at the Webshop can be claimed in the in-game mailbox and used within the game.

### Black Diamonds Usage Location

| Usage              | Location                                          | Description                 |
| ------------------ | ------------------------------------------------- | --------------------------- |
| Black Diamond Shop | In-game Black Diamond exclusive shop              | Purchase items in the shop  |
| gMBX Exchange      | [MBX Station](https://station.marblex.io/en/home) | Exchange for gMBX (One-way) |

*\*Exchanged gMBX can be exchanged for MBX at MBX Station.*

### How to Claim and Exchange

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Purchase at Webshop → Claim at game mailbox → ① Use at in-game Black Diamond shop OR ② Exchange for gMBX at MBX Station

* Exchange is one-way only. Once Black Diamonds are exchanged for gMBX, they cannot be reverted back to Black Diamonds.

#### Step 1. Purchase Black Diamonds at the Webshop

1. Access the [**Webshop**](https://pixeltamerzshop.marblex.io/).
2. Log in with **the exact same account you are using in the game.**
3. Select the product and proceed with the payment.
4. After the payment is complete, access the game to check if you have received it.

*\* If the login account is different, Black Diamonds will be distributed to a different account, and **transfer between accounts is impossible**. Please make sure to check the logged-in account information before payment.*

#### Step 2. Claim from the Game Mailbox

1. Launch the game and log in with the account you used for the purchase.
2. Go to the \[**Mailbox**] menu.
3. Claim the Black Diamonds.
4. Check if the balance is reflected in the currency area on the top right of the screen.

*\* It may take up to **5 minutes** for the mail to arrive. If it is not verified, please reconnect to the game.*

#### Step 3. Access MBX Station

1. Access \[[**MBX Station**](https://station.marblex.io/en/home)]. (Please make sure to access the official address.)
2. Log in with **the same account as your game account.**
3. Check the top right corner to ensure the logged-in account and the \[linked game account] are correct.

#### Step 4. Exchange Black Diamonds for gMBX

1. Go to the \[**Exchange**] menu.
2. Select the \[Game Name] > **Black Diamond → gMBX** exchange option.
3. Check your Black Diamond balance and enter the amount you wish to exchange.
4. Check **the exchange rate, fee, and final gMBX amount to be acquired** displayed on the screen.
5. Press \[**Exchange**], double-check the details in the confirmation window, and press \[**Confirm**].

\* Exchanges **cannot be canceled or withdrawn, and reverse exchange from gMBX to Black Diamonds is not supported.** Please proceed after confirming whether you need to leave some for in-game use.

#### Step 5. Check gMBX Distribution

1. Check your gMBX balance in the MBX Station \[**My Assets**] menu.
2. It may take up to **\[5] minute**s for the exchange to be processed.
3. You can check the processing status in the \[**Exchange History**] menu.

### Precautions

* Black Diamond → gMBX exchange is not available in some countries/regions.
* **gMBX → Black Diamond reverse exchange is not supported.** Exchange is one-way only.
* gMBX exchange is **only available on MBX Station** and cannot be done in-game.
* Exchanges **cannot be canceled or withdrawn**. Please be sure to check the exchange amount and fees before proceeding.
* Black Diamonds are **bound to the purchasing account** and cannot be transferred to another account.
* The maintenance schedule for MBX Station is separate from the game's maintenance schedule. Exchange is unavailable during maintenance.
* The expiration date for Black Diamonds is **March 26, 2027**.
* Currencies acquired or exchanged through abnormal methods may be subject to retrieval and usage restrictions.
* The exchange pool for converting Black Diamonds to gMBX is scheduled to open on **October 20, 2026**. However, the opening schedule is subject to change due to internal circumstances.
* The gMBX/MBX exchange rate and value of Black Diamonds may fluctuate according to market price changes in the cryptocurrency market, and we do not guarantee any resulting market profits or losses.

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