> For the complete documentation index, see [llms.txt](https://coin-musme.gitbook.io/coin-musme-white-paper/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://coin-musme.gitbook.io/coin-musme-white-paper/english-1/4.-character/level.md).

# 4.3 Idol Level

* Idols level up when they accumulate a set amount of experience points. Experience points can be earned by 1️⃣ participating in arena battles, 2️⃣ merging with other idols, and 3️⃣ using experience increasing items. Each parameter of the idol will increase as its level increases. Also, users can earn free points that can be freely assigned to each parameter, including racks and Payout Points.
* The maximum level depends on the rarity.