Carrot Castle

From Kirby - Wiki on Neoseeker

The entrance to the Carrot Castle.

Carrot Castle is the fifth level of Kirby & The Amazing Mirror. It is a large castle located deep in a large forest, very close to Peppermint Palace. The level itself takes place mainly inside the crazy interior of the castle, but some of it is actually in the forest surrounding it. It's actually slightly similar to Moonlight Mansion due to it's large layout, but it's slightly more complex, featuring more hidden passages and treasure chests. The enemies that you normally see around Carrot Castle are Waddle Dee, Waddle Doo, Blockin, and Shotzo.

Boss

The boss of Carrot Castle is a strong and electrical robot. He's very tough to defeat - and is only harmed by electrical attacks. Calling for help from the other Kirbys in this fight may be helpful - they may not know what to do, but they will occasionally cause damage.