Super Mario RPG

What Does the Crystal Shard Do?

Super Mario RPG Remake - What does the Crystal Shard do
In the Super Mario RPG Remake, Crystal Shard is a special item that doesn't have an effect. See an overview of Crystal Shard, its effects, how to get it, and how to use it in our guide!

What Does the Crystal Shard Do?

Doesn't Have an Known Effect

Super Mario RPG Remake - Crystal Shard Rewarded
The Crystal Shard does not have a known effect. Upon giving it to you, Culex will not say anything about the item's purpose. Frog Sage, who is tied with the boss rematch questline, will not say anything about it either; after Culex's defeat, he'll simply end the questline and call you Mario Sage.

As implied by its in-game description, 'a symbol of ultimate strength', it seems that it's simply meant to be a symbol that you have the greatest achievement in the game and that there's no enemy left for you to overcome. Defeating Culex 3D and getting the item is simply one of the things you need to do in the post-game to get the 100% Clear.

All Post-Game Content and How to Get 100% Clear

How to Get Crystal Shard

Defeat Culex 3D

Super Mario RPG Remake - Culex 3D
Culex 3D is the rematch form of Culex, and is the final and strongest enemy you'll face in the game. After you defeat him, he'll reward you with the Crystal Shard.
How to Unlock and Beat Culex 3D

Other Bosses Need to be Rematched Before Culex

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
Culex 3D 24

Before being able to rematch Culex, you'll need to rematch a bunch of other bosses first. These bosses can only be rematched in a specific order, with Culex being the sixth and final boss in this post-game questline.

Defeat Culex First

Super Mario RPG Remake - Culex 2D
Of course, to rematch Culex, you'll need to have defeated him once first, in his 2D form. Fighting Culex involves having to find the Shiny Stone.
How to Unlock and Beat Culex Secret Boss

Crystal Shard Overview

Crystal Shard Basic Information

Crystal Shard Basic Information
Type Buy Price Sell Price
Special - -
Effect None
How to Get Defeat Culex in a rematch in Monstro Town.
Description A symbol of ultimate strength.

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
Moldy Mush Rotten Mush Wilt Shroom Mushroom
Mushroom (Triplets) Mid Mushroom Yoshi Candy Max Mushroom
Tadpola Cola Thropher Cookie Elixir Finless Cola
Pick Me Up Croaka Cola Honey Syrup Maple Syrup
Royal Syrup Flower Tab Flower Jar Flower Box
Energizer Bracer Party Energizer Party Bracer
Yoshi-ade Red Essence Cleansing Juice Freshen Up
See Ya Earlier Times Lucky Jewel Sleepy Bomb
Poison 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 Microbomb Beetle Box
Bright Card Fireworks Fertilizer Seed
Shiny Stone Carbo Cookie Wallet Goodie Bag
Extra-Shiny Stone Crystal Shard Monster Trophy

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