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.