Arrival at Rabbit Ridge!
From the Super Mario Wiki
The mission begins once Mario arrives at the Dark Side for the first time. After traveling through two spark pylons, Mario reaches Rabbit Ridge Tower, where he is confronted by the Broodals. To obtain the Multi Moon they're guarding, Mario must ascend Rabbit Ridge Tower, fighting a Broodal on each floor. The Broodals are fought in the following order: Topper, Hariet, Spewart, Rango. Each of their fights play out like their second fights, but with moon physics. After the individual Broodal battles, there is a heart on the way to the top floor, where Mario must rematch RoboBrood. Unlike the fight in Bowser's Kingdom, RoboBrood does not spawn Pokios. Instead, Mario must capture one of the Hammer Bros. in the arena and use its hammers to damage the robot. Once it is defeated, RoboBrood blasts into the sky and creates fireworks depicting the Broodals' faces, just like in Bowser's Kingdom. Afterward, the Multi Moon appears and Mario can collect it. After going back to the Odyssey, Mario will be wearing the King's Outfit.
If Mario loses any of the fights, he will respawn outside Rabbit Ridge Tower and must start over.
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