Why is Rosalina so strong?
Since she is an unusual heavyweight character in the Mario Kart series, most bios point to her role as the cosmic guardian as the reason she can hold her own against other heavyweights. For the spinoff installments of the Mario franchise overall, Rosalina’s emblem is a Grand Star. She is a very powerful figure, as her duty is to watch over and protect the cosmos, while also serving as the adopted mother of the Lumas and commanding the Comet Observatory. Rosalina’s backstory is chronicled in her storybook told by her in the Comet Observatory’s Library in Super Mario Galaxy.