# How to exchange Starmons with Badge NFT

Step 1: Open <https://yooshi.io/index> and click Connect Wallet to link to Wallet.

![](/files/6YHvxWQA4DyyaZak5UnZ)

Step 2: Click“Mint Origin StarMon”

![](/files/uAcx0ueunIjQtIw7XuYH)

Step 3: Click "Add StarMon Badge NFT" to select the StarMon Badge NFT of the StarMon that you want to cast.

![](/files/p5r1tETyOTjpXrdFCDXQ)

Step 4: Click "Get Origin StarMon for free via NFT".

![](/files/b1trCwtSlxiVjWlubPdV)


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