# Interaction of PhalaWorld NFTs

> 🪐 The NFTs in PhalaWorld are soul-bound NFTs based on the [RMRK2.0](https://app.subsocial.network/@rmrkapp/introducing-rmrk-2-on-singular-app-31668) standard on Khala Network.

**First,  let's have a quick glance at PhalaWorld in this 7 mins video.**

{% embed url="<https://www.youtube.com/watch?t=42s&v=lSzzIdW7lgU>" %}

There are two main kinds of NFTs survivors could equip in PhalaWorld--SHELL NFT and SPIRIT NFT. SHELL NFT represents the user’s physical body, and SPIRIT NFT represents the soul. Only when the two NFTs are combined together, will users get a whole character in PhalaWorld.&#x20;

**To facilitate understanding, we sort out the logic of NFT**

![](https://4011853863-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FD8IGCDlIQLtnxcejk0Eg%2Fuploads%2F6kLJ1Ezv56HqFnL3SqZe%2Fimage.png?alt=media\&token=3a169e45-1be1-46e6-aefb-902601999230)

The combination of the two NFTs constitutes a complete PhalaWorld NFT, which truly realizes the Soulbound concept.

![](https://4011853863-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FD8IGCDlIQLtnxcejk0Eg%2Fuploads%2FRPTBJTiOfU152xEZaszr%2F2%20nfts.png?alt=media\&token=2f7dd1de-7a29-4a76-a0a6-f88903df3c56)

The combination of the Seal NFT will upgrade DPS in the PW Game.

![](https://4011853863-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FD8IGCDlIQLtnxcejk0Eg%2Fuploads%2FDutMH4MlsXfmAJPZGMOq%2F3%20nfts.png?alt=media\&token=5f9bc58d-98b0-4ca2-9f16-fd46cc342637)