Editing Black chest

{{quote|Er, Mario... A word with you? I'm not exactly confident that we can trust this...box.|Professor Frankly|Paper Mario: The Thousand-Year Door}}
'''Black chests''' are a type of [[treasure chest]] that appears in ''[[Paper Mario: The Thousand-Year Door]]''. There are four of them in total, located in the [[Rogueport Sewers]], [[Hooktail Castle]], [[Twilight Town]], and [[Pirate's Grotto]]. When [[Mario]] interacts with a black chest, a being trapped inside the chest pleads for Mario to let them out, which he can do by finding a [[Black Key]]. Upon opening the chest, a glowing yellow face emerges from it and curses Mario. However, the curses are actually beneficial to Mario, giving him new paper abilities. As such, they are quite similar to the [[zeldawiki:Mad Batter|Mad Batter]] from [[zeldawiki:The Legend of Zelda (Series)|''The Legend of Zelda'' series]].

Listening to [[Grifty]]'s stories reveals that the beings that "curse" Mario are actually the souls of the [[List of implied characters#Four heroes|four heroes]] that defeated the [[Shadow Queen]] 1,000 years prior to the events of the game. Just before they finished sealing her spirit behind the [[Thousand-Year Door]], she cursed them. The chests are in the spots where the heroes left their [[Crystal Stars]], since the curse took effect after they let go of them.

==Tattle information==
*(Before being opened) ''This is a black chest. Wonder what's inside it...''
*(After being opened, GameCube version) ''This is a black chest. It's empty.''
*(After being opened, Switch version) ''This is a black chest. It doesn't seem like it has anything else to say...''

==Paper Abilities==
===Plane Mode===
{{main|Plane Mode}}
[[File:Plane Panel.png|thumb|The panel for activating Plane Mode]]
*Chapter Obtained: Prologue (A Rogue's Welcome)
*Power obtained in: [[Rogueport Sewers]]
*To obtain power: In Rogueport Sewers, the player must find a room where the first thing that can be seen is a huge yellow block and a barred entrance to another room. To the right of the room is a blue switch; when the player hits it, a set of stairs is revealed. Ascending the stairs, the player should see a doorway and a paper airplane platform. The player must now drop off the side of the platform to grab the black key, and then jump back up the stairs and enter the doorway to receive the first curse.
*To use power: The player must stand on a plane panel (also known as an airplane panel) and press {{button|gcn|Y}}. The player then has to press {{button|gcn|B}} or land to return to normal.
*Hero: The Goomba heroine

===Paper Mode===
{{main|Paper Mode}}
*Chapter Obtained: 1 (Castle and Dragon)
*Power obtained in: [[Hooktail Castle]]
*To obtain power: For this power, the player must continue past the room with the black chest. There is a door that leads to a room where the black key is. The floor appears to have [[Spike (obstacle)|spikes]] in it, but they will not pop up until the player grabs the key. The player then has 50 seconds to navigate their way back out of the spike maze before they get crushed, triggering an instant [[Game Over]]. The player then opens the chest and is cursed again.
*To use power: The player must press and hold {{button|gcn|R}}.
*Hero: The Toad hero

===Tube Mode===
{{main|Tube Mode}}
[[File:Tube Mode PMTTYD.png|thumb|Mario in Tube Mode]]
*Chapter Obtained: 4 (For Pigs the Bell Tolls)
*Power obtained in: [[Twilight Town]]
*To obtain power: The black key is in a shack just outside Twilight Town in Twilight Trail. Before the player can gain this power, they first need the [[Shop Key]] to open the storeroom. A fallen tree blocks the path at the end of Twilight Trail. The player has to use Koops to grab the Shop Key on the other side. The player can now open the storeroom to open the chest and be cursed.
*To use power: The player has to press {{button|gcn|R}} and rotate {{button|gcn|Stick}}. They can also press {{button|gcn|B}} to return to normal.
*Hero: The Boo heroine

===Boat Mode===
{{main|Boat Mode}}
[[File:Boat Panel.png|thumb|A panel used for the boat ability]]
*Chapter Obtained: 5 (The Key to Pirates)
*Power obtained in: [[Pirate's Grotto]]
*To obtain power: In the Pirate's Grotto, the player should see a blown open boat. The player must enter the boat, where they see the evil black chest, waiting to curse them. They must speak to the chest, then fight the [[Ember]] that emerges. Upon defeating the ember, a black key drops, which the player can use to open the chest and receive the fourth and final curse.
*To use power: The player must stand on a boat panel and press {{button|gcn|Y}}, then press {{button|gcn|Y}} again when they reach another boat panel.
*Hero: The Koopa hero

==Gallery==
<gallery>
PM2 BlackChest.png|The [[Plane Mode]] black chest
PMTTYD Paper Curse Black Chest.png|The [[Paper Mode]] black chest
PMTTYD_Black_Chest_Demon_Face_Sprite.png|The face
Paper Curse PMTTYD.png|The face explaining how to use Paper Mode
PMTTYD Paper Curse.png|
</gallery>

==Names in other languages==
{{foreign names
|Jap=黒い箱
|JapR=Kuroi Hako
|JapM=Black Box
}}

==Trivia==
*In the section on finding hidden [[Star Piece (Paper Mario series)|Star Piece]] panels in the game's instruction booklet, the picture depicts Mario [[Spin Jump]]ing with [[Koops]] in front of the Rogueport Sewers black chest which appears closed. This is a continuity error, as Mario does not acquire Koops as a [[partner]] or the Ground Pound ability until some time after he opens that chest.
*The Boo heroine initially talks using female mannerisms in the Japanese version until the chest is opened; because such gendered speech is difficult to express in English, the English version only vaguely suggests it with a heart at the end of her request. This serves to contextualize why she later asks, "Did you think a lovely lady would pop out or something?"
*It is likely that the Crystal Star that was hidden by the Toad was the [[Garnet Star]], since the healer he entrusted it to is referred to as a priest in the Japanese version and some localizations, with the sanctum-keeper of [[Poshley Sanctum]] being similarly referred to as a high priest.

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[[Category:Paper Mario: The Thousand-Year Door objects]]
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