> For the complete documentation index, see [llms.txt](https://3kmplatform.gitbook.io/3km-evolution-english/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://3kmplatform.gitbook.io/3km-evolution-english/first-gameplay/game-mode/pve/main-mission.md).

# Main Mission

* This is a basic game mode that follows the story of **3KM**.
* The mission has a total of 4 chapters, and each chapter contains various and detailed stage dungeons.
* You can move to the next chapter by clearing all stages in a chapter.
* Each chapter has different rewards, and you get rewards by clearing stage dungeons.
* With stage clearing rewards, you can obtain lower-grade gears, reinforcement stone fragments, and hero fragments.

<figure><img src="/files/RD0Mo7iPGGxNY7vf3KlQ" alt=""><figcaption></figcaption></figure>