> For the complete documentation index, see [llms.txt](https://superb-1.gitbook.io/superb/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://superb-1.gitbook.io/superb/introduction/general/item.md).

# Item

- [GP Multiplier](https://superb-1.gitbook.io/superb/introduction/general/item/gp-multiplier.md)
- [Durability](https://superb-1.gitbook.io/superb/introduction/general/item/durability.md)
- [Upgrade System](https://superb-1.gitbook.io/superb/introduction/general/item/upgrade-system.md)