The story is divided into five chapters, each increasing in difficulty and floor count:

The story mode in , titled "The Destined Rivals," follows Kirby and a chosen buddy (like Bandana Waddle Dee) as they scale the Buddy Fighters Tower . The narrative centers on King Dedede and Meta Knight, who have formed an alliance to finally defeat Kirby. Plot Chapters

– A short 5-floor introduction to the tower.

– Kirby must conquer 35 floors to face the "Destined Rivals" on their dedicated stage .

: Between floors, you choose Story Items to boost stats like health, attack power, or recovery for the duration of that chapter.