A Pure Heart is the main item to open the next Chapter, when put into a Heart Pillar it will create the next door. First given from Merlon. There is 8 different Pure Hearts for 8 different Chapters the 8 Pure Hearts are different colours, known as:
- Indigo/Dark Blue
- The Pure Heart colours are the same colours of the rainbow. Except White.
- The Pure Heart only appears in Super Paper Mario .
- The Pure Heart is used to break Count Bleck's shield in 8-4.
- There is only 4 levels in each Chapter, except Chapter 6, that only has 2, but 6 altogether.