From the Super Mario Wiki
Vibe Island is the main setting of Super Princess Peach. When Mario, Luigi and the Toads are kidnapped by the Hammer Bros., they are taken to this mysterious island and Peach must save them. Peach's Vibes gains empathic powers after visiting the location.
On Vibe Island, all kinds of enemies have one of four different Vibes, due to the island. The Vibes are:
Most bosses in the game also use these Vibes to their advantage.
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