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

# 6.3 Core Parameters

* **Charm**: Affects token earning efficiency (Econ / EVT).
* **Luck**: Influences item box (Lucky Bag) drop rate and contents.(Lucky Bag will be implemented in the future)
* **Durability**: Impacts lifespan consumption and repair intervals.
* **Bond**: Represents attachment. Increases through usage; resets upon resale. (Future expansions planned.)