# 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="https://3329704245-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FK3wruDXDQw4BIRYOVFdW%2Fuploads%2FQqqZ6zv7yrW7Jjnpghui%2Fimage.png?alt=media&#x26;token=a591bdb1-647b-4621-84c6-c99299c5c1c9" alt=""><figcaption></figcaption></figure>