Syrup Castle was the stronghold of the pirate Captain Syrup and her minions. In Wario Land: Super Mario Land 3, Wario had to trek through Kitchen Island to get here and re-steal the giant golden Toadstool statue.
 Wario Land: Super Mario Land 3
The castle sits atop a massive statue of Princess Toadstool. The third level is the castle. As Wario progresses, the castle blows apart showing the inner statue. The and castle is built on the statue and around it, but once the castle was destroyed the statue was exposed for the taking.
 Wario Land II
Syrup Castle reappeared in the sequel, Wario Land II and just like before it was the last chapter to be cleared. Wario has chased the Black Sugar Pirates and their leader Syrup through several places of the land, until he finally learns that they reached their base safely. Wario then sets out to raid the castle, beat the pirates up and steal his treasure back. At the end, he battles Captain Syrup in one of her various crafts.
The castle is once again seen in a brief cutscene after Wario obtained all of the game's Treasure, completed the Picture Panel and witnessed every ending sequence, when Wario sets out to steal Syrup's treasure.
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