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Super Mario RPG

How to Unlock the Extra-Shiny Stone

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In Super Mario RPG Remake, the Extra-Shiny Stone can be unlocked by defeating Johnny in a boss rematch. Read on to see how to unlock the Extra-Shiny Stone, an overview of the item, and its effects in our guide!

List of Contents

How to Get Extra-Shiny Stone

Rematch Johnny in the Post-Game

Super Mario RPG Remake - Extra-Shiny Stone

The Extra-Shiny Stone can be obtained by defeating Johnny in his boss rematch form, Duel-Ready Johnny.

You can only do boss rematches during the post-game, after completing the game story. After defeating him, he'll give you the Extra-Shiny Stone.

How to Unlock Johnny Rematch

Other Bosses Need to be Rematched Before Johnny

Boss Recommended Level
Scratchy-Throat Belome 21
Leveled Up Punchinello 24
Engine 023 Booster 24
Extra-Fancy Bundt & Extra-Fancy Raspberry 24
Duel-Ready Johnny 24

Before being able to rematch Johnny, you'll need to rematch a bunch of other bosses first. These bosses can only be rematched in a specific order, with Johnny being the fifth in the questline.

Defeat Culex First

Super Mario RPG Remake - Culex 2D
You won't be able to fight Johnny if you haven't defeated Culex in Monstro Town the first time yet. Fighting Culex involves having to find the Shiny Stone first.
How to Unlock Culex Secret Boss

Extra-Shiny Stone Overview and Effects

Extra-Shiny Stone Basic Information

Extra-Shiny Stone Basic Information
Type Buy Price Sell Price
Special - -
Effect Opens the sealed door in Monstro Town a second time.
How to Get Defeat Johnny in a rematch in Sunken Ship.
Description A very pretty stone!

Extra-Shiny Stone Effects

Opens the Sealed Door in Monstro Town a Second Time

Super Mario RPG Remake - Extra-Shiny Stone is reacting
After you open the sealed door and defeated Culex in Monstro Town the first time, the door will get resealed. You'll need to have the Extra-Shiny Stone to break the seal again and rematch Culex.
Culex 3D Post-Game Final Boss

Super Mario RPG Remake Related Guides

Super Mario RPG - Items
List of All Items

All Item Types

HP Recovery Items
Croaka Cola Pick Me Up Finless Cola Elixir
Thropher Cookie Tadpola Cola Max Mushroom Yoshi Candy
Mid Mushroom Mushroom (Triplets) Mushroom Wilt Shroom
Rotten Mush Moldy Mush - -
FP Recovery Items
Flower Box Flower Jar Flower Tab Royal Syrup
Maple Syrup Honey Syrup - -
Support Items
Freshen Up Cleansing Juice Red Essence Yoshi-ade
Party Bracer Party Energizer Bracer Energizer
Battle Items
Goodie Bag Lucky Jewel Earlier Times See Ya
Attack Items
Sheep Attack Lamb's Lure Mystery Egg Pure Water
Yoshi Cookie Star Egg Rock Candy Ice Bomb
Fire Bomb Fright Bomb Poison Mushroom Sleepy Bomb
Special Items
Wallet Carbo Cookie Shiny Stone Seed
Fertilizer Fireworks Bright Card Beetle Box
Microbomb Rare Frog Coin Cricket Pie Cricket Jam
Greaper Flag Dry Bones Flag Big Boo Flag Temple Key
Shed Key Room Key Elder Key Castle Key 1
Castle Key 2 Soprano Card Tenor Card Alto Card
Extra-Shiny Stone Crystal Shard Monster Trophy -

All Items

List of Items
Fireworks Fertilizer Seed Shiny Stone
Carbo Cookie Wallet Goodie Bag Moldy Mush
Rotten Mush Wilt Shroom Mushroom Mushroom (Triplets)
Mid Mushroom Yoshi Candy Max Mushroom Froggie Drink
Thropher Cookie Elixir Megalixir Pick Me Up
Croaka Cola Honey Syrup Maple Syrup Royal Syrup
Flower Tab Flower Jar Flower Box Energizer
Bracer Power Blast Crystalline Yoshi-ade
Red Essence Able Juice Freshen Up See Ya
Earlier Times Lucky Jewel Sleepy Bomb Bad Mushroom
Fright Bomb Fire Bomb Ice Bomb Rock Candy
Star Egg Yoshi Cookie Pure Water Mystery Egg
Lamb's Lure Sheep Attack Alto Card Tenor Card
Soprano Card Castle Key 1 Castle Key 2 Elder Key
Room Key Shed Key Temple Key Big Boo Flag
Dry Bones Flag Greaper Flag Cricket Jam Cricket Pie
Rare Frog Coin Bambino Bomb Beetle Box Bright Card
Extra-Shiny Stone Crystal Shard

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