> For the complete documentation index, see [llms.txt](https://mixmarvel.gitbook.io/dehero_game/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://mixmarvel.gitbook.io/dehero_game/advanced.md).

# Advanced

- [Hero NFT](https://mixmarvel.gitbook.io/dehero_game/advanced/hero-nft.md)
- [Upgrade Cards](https://mixmarvel.gitbook.io/dehero_game/advanced/upgrade-cards.md)
- [Upgrade Skills](https://mixmarvel.gitbook.io/dehero_game/advanced/upgrade-skills.md)
- [Skill synthesis](https://mixmarvel.gitbook.io/dehero_game/advanced/skill-synthesis.md)
- [Batch Operation Function](https://mixmarvel.gitbook.io/dehero_game/advanced/batch-operation-function.md)
- [SHOP](https://mixmarvel.gitbook.io/dehero_game/advanced/shop.md)
- [VIP PASS](https://mixmarvel.gitbook.io/dehero_game/advanced/vip-pass.md)
- [FAQ\&TIPS](https://mixmarvel.gitbook.io/dehero_game/advanced/faq-and-tips.md)