Energy Hold

Mario and Luigi in the Energy Hold

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The Energy Hold is the largest area within Bowser's body in Mario & Luigi: Bowser's Inside Story. It is located in his small intestine. This area is accessible to Mario and Luigi once they discover Durmite is one of the Star Sages.

Starlow and the Mario Bros. first come here in pursuit of Durmite, but she slips under a wall of three Boo-like blocks that block the path; Mario and Starlow ponder their next course of action as Luigi falls in the area's pits repeatedly. Meanwhile, Bowser makes his way to Dimble Wood in pursuit of the Star Cure; along the way, he discovers the Tower of Yikk and defeats it in battle while in his giant form, gaining entry to the tower. Inside, Bowser encounters Yikk himself, who demonstrates how to operate the Boo-ray Machine; its light causes the barrier of blocks to disappear and allows Starlow and the Mario Bros. to venture further into the Energy Hold.

Mario and Luigi must use the Boo-ray machine's light to manipulate the environment and navigate through the Energy Hold; the light reveals invisible platforms, as well as Boo-faced platforms that appear and vanish depending on whether the light is present. Most parts of the area also require the Spin Jump to progress. Mario and Luigi also learn how to burrow underground, and can collect the area's ten Attack Pieces to unlock the Super Bouncer Bros. Attack.

Mario and Luigi eventually find Durmite again, but she slips through a door which can only be opened by collecting all the parts of the Star Panel. After a few more doors, they finally catch Durmite, who reveals her true name to be Wisdurm, and challenges the Bros. to a battle for the first Star Cure. Upon defeating Wisdurm, she morphs into her true form before making good on her promise and giving Mario and Luigi the Star Cure. Wisdurm then leaves Bowser's body, removing two obstructions from a doorway in the process that allows the two to exit the Energy Hold; this also unlocks the Joint Tower for them to visit.

Enemies

• Napses
• Peps
  • SPEED Peps
  • POW Peps
  • DEF Peps
• Piranha Plorps
• Pwallops
• Wisdurm (boss)

Items

The following are overworld items found in this area.

Item	Icon	Location
Super Mushroom		In a ? Block in the first scene of the upper-right area from the star-shaped door.
		x2	In a ? Block in the scene behind the door of the second scene in the upper area from the star-shaped door.
		x2	In a ? Block in the second scene of the lower-left area from the star-shaped door.
		In a ? Block in the first scene of the lower-left area from the star-shaped door.
1-Up Deluxe		In a ? Block in the second scene of the upper-right area from the star-shaped door.
		In a ? Block in the second scene of the upper-left area from the star-shaped door.
Super Nut		In a ? Block in the third scene.
		In a ? Block in the first scene beyond the star-shaped door.
		In a ? Block in the third scene beyond the star-shaped door.
		x2	In a ? Block in the scene to the lower-right of the shadow scene beyond the star-shaped door.
Supersyrup Jar		In a ? Block in the rightmost scene in the lower-right area from the star-shaped door.
		In a ? Block in the first scene beyond the star-shaped door.
		In a ? Block beneath the pipes in the second scene beyond the star-shaped door.
Star Candy		In a ? Block in the room behind the third scene in the lower-left area from the star-shaped door.
		In a ? Block in the second scene beyond the star-shaped door.
Refreshing Herb		x2	In a ? Block in the fourth scene.
Retry Clock		In a ? Block in the scene to the lower-right of the shadow scene beyond the star-shaped door.
Attack Piece		#1	In an attack piece block in the hub scene.
		#2–5	In a ? Block in the third scene of the upper-left area from the star-shaped door.
		#6–9	In an attack piece block in the rightmost scene in the lower-right area from the star-shaped door.
		#10	In a ? Block in the second scene in the lower-right area from the star-shaped door.
Star Panels	etc.	Star Panels of various shapes can be solidified with the Boo-ray Machine, and their shapes can be controlled by blocks beyond each door.
Delicious Gloves		In a ? Block in the third scene (with shadow) beyond the star-shaped door.
Hero Wear		In a ? Block in the second scene of the upper-left area from the star-shaped door.
Nurse Socks		In a ? Block in the first scene of the lower-right area from the star-shaped door.
Special Boots		In a ? Block in the room behind the third scene in the lower-left area from the star-shaped door.
Star Cure		Given by Wisdurm deep beyond the star-shaped door.

Beans

There are 17 Beans in total.

• Bottom floor of the third room in the upper area to the hub: <Heart Beans x2, Special Beans x2>
• Upper floor of the third room in the upper area to the hub: <Heart Beans x4, Special Bean x1>
• Treasure room near the end of the lower-left area to the hub: <Heart Beans x2, Special Bean x1>
• Upper floor of the third room in the upper-left area to the hub: <Heart Beans x4, Special Bean x1>

Gallery

• 

  Map of the first area

• 

  Map of the second area

• 

  Map of the third area

Names in other languages

Language	Name	Meaning	Notes
Japanese	エネルギースペース[?] Enerugī Supēsu	Energy Space (Enerugī is imported from the German Energie, not the English Energy, thus it is pronounced with a hard g.)
German	Energiekammer[?]	Energy Chamber
Italian	Apparato Traslucido[?]	Translucent System
Spanish (NOA)	Templo de los Rayos[?]	Temple of Rays (because of the Boo-ray machine)
Spanish (NOE)	Sala Energética[?]	Energetic Room