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Ranks are a game mechanic introduced in Mario & Luigi: Bowser's Inside Story, Mario & Luigi: Dream Team and Mario & Luigi: Paper Jam. They are bestowed upon a character who reaches an appropriate level. Each new rank confers benefits on the recipient.
Ranks for the Mario Bros.
Ranks work slightly differently in Dream Team than in Bowser's Inside Story. Instead of set rewards, such as extra gear slots or shopping privileges, the player can choose a Rank-Up Bonus to give to Mario or Luigi upon reaching a new rank. Upon reaching Rainbow Rank, the player can choose two Rank-up Bonuses. This means that each Bro. has a maximum of five bonuses once the player reaches Level 40.
The Rank-Up Bonuses are the following:
Ranks in this game work similar to the one in Mario & Luigi: Dream Team, but there are seven ranks for every character. Once again, for Rainbow Rank the player can choose two Rank-up Bonuses, which gives the player the limit of seven slots for bonuses per character after having reached the final rank.