Lava Rock Lair

Level
Lava Rock Lair
Level code	World 4-Castle
World	World 4
Game	Super Mario 3D World Super Mario 3D World + Bowser's Fury
Time limit	400 seconds
Boss	Boss Brolder
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Lava Rock Lair, otherwise known as World 4-Castle, is the second castle in Super Mario 3D World and its Nintendo Switch port Super Mario 3D World + Bowser's Fury. It can be accessed after completing Spike's Lost City, as well as having collected 50 Green Stars, and its own completion frees the orange Sprixie Princess who builds a Clear Pipe to World 5.

Layout

The player begins the level on a raised platform, with a slope that leads to an area with a Brolder, a Goomba Tower, and some Brick Blocks. Lava Bubbles are then found, along with a rotating platform. After the rotating platform, a Red Ring and a Brolder can be found, along with two more rotating platforms. After the player goes through a Clear Pipe, the player arrives at a long pathway containing several Brolders, Goomba Towers, and Brick Blocks. At the end of the pathway, a row of Lava Bubbles can be found in front of a Warp Pipe that leads to Boss Brolder. Behind the Warp Pipe is a Hidden Block with a Super Mushroom inside of it. After Boss Brolder is defeated, a Warp Box that leads to the Goal Pole and the orange Sprixie Princess appears.

Collectables

Green Stars

• Green Star 1: The player must stomp on the Brolder from starting position and throw it onto a P Panel while pressing the other one, and cross the now dropped bridge to grab the star. In multiplayer mode, another player can be used to hit one of the P Panels.
• Green Star 2: After going through the Clear Pipe that goes through lava, the player sees a Mystery Box nearby. The player must throw stomped Brolders onto two P Panels and step on a third switch to grab the Green Star. In multiplayer, two additional players can also be used.
• Green Star 3: After the Mystery Box, the player sees a Green Star off a ledge. The player must stomp on a Brolder and take to the ledge and then throw the Brolder off the ledge.

Stamp

Image	Location
	The player must be in Cat form in order to reach the stamp, which requires climbing up the wall to the left after the Clear Pipe that goes through lava. The stamp is a Brolder.

Luigi sighting

The big tower that knocks down with the press of two P Panels has an 8-bit Luigi on it. The player must be in Cat form and climb to tower to see it.

Enemies

• 

  Brolders

• 

  Goomba Towers (3 with 11)

• 

  Lava Bubbles (25)

• 

  Boss Brolder (boss)

Names in other languages

Language	Name	Meaning	Notes
Japanese	転がる岩の溶岩砦[?] Korogaru iwa no yōgan toride	Lava Fortress of Rolling Rocks
Chinese	滾動岩石的熔岩堡壘[?] Gǔndòng Yánshí de Róngyán Bǎolěi	Lava Fortress of Rolling Rocks
Dutch	Boss Brolders lavakasteel[?]	Boss Brolder's Lava Castle
French	Magma mia ![?]	Pun on "Mamma mia !"
German	Boss-Karumpels Lavaversteck[?]	Boss Brolders Lava Lair
Italian	Fortezza sul mare di lava[?]	Fortress on the lava sea
Korean	데굴락의 용암 요새[?] Degullak-ui Yong'am Yosae	Brolder's Lava Fortress
Portuguese	Rolando sobre um rio de lava[?]	Rolling above a lava river
Russian	Логово Булигана-босса[?] Logovo Buligana-bossa	Boss Brolders's lair
Spanish	La fortaleza de las rocas rodantes[?]	Rolling Rocks' Fortress