From the Super Mario Wiki
Ranks are a game mechanic introduced by Mario & Luigi: Bowser's Inside Story. They are bestowed upon a character who reaches an appropriate level. Each new rank confers benefits on the recipient.
| Name
| Achieved at Level
| Benefit
|
| Mushroom Rank
| 1
| Allows up to one accessory to be equipped.
|
| Shell Rank
| 6
| Allows up to two accessories to be equipped.
|
| Flower Rank
| 12
| Allows up to three accessories to be equipped.
|
| Shine Rank
| 18
| Allows the Marios to shop at the Shine Shopping Mall in Toad Town.
|
| Star Rank
| 25
| Allows the Marios to shop at the Star Shopping Mall in Toad Town.
|
| Rainbow Rank
| 40
| When both brothers reach this rank, gives the Excellent!! Bros Badge.
|
| Name
| Achieved at Level
| Benefit
|
| Bronze Boss Rank
| 1
| Allows up to one accessory to be equipped.
|
| Silver Boss Rank
| 10
| Allows up to two accessories to be equipped.
|
| Gold Boss Rank
| 20
| Allows up to three accessories to be equipped.
|
| Final Boss Rank
| 40
| Gives the Intruder Fangs equipment to Bowser.
|
