★ DLC Expansion Pass Wave 2 out now!
┗ New Hero: Ino | New Class: Noponic Champion
┗ New Mode: Challenge Battles | New Outfits: Swimsuits
★ List of All Hero Quests | List of All Ascension Quests
┗ Ino's Hero Quest: Champion of the Nopon
★ Best Hero Tier List | Best Arts | Best Classes
Demon Marble is a type of Collectible you can find in Xenoblade Chronicles 3. Continue reading to learn about the value and uses for Demon Marble, as well as its location in Aionios!
List of Contents
| Demon Marble | |
| Value | 34G |
|---|---|
| Region | |
|---|---|
 Keves Castle Region
|
| Gem Name | Required Materials |
|---|---|
 Steel Protection IX
|
・Ether Cylinderx3 ・Star-Shaped Droid Screw(Rare) x20 ・Ultra Pure Gemstonex3 ・Auxilia Exo-Armor(Legendary) x20 ・Quardun Shell(Legendary) x20 ・Krammit Device Fragment(Common) x20 ・Demon Marble(Legendary) x10 |
| We are currently gathering more information regarding this item. |
| We are currently gathering more information regarding this item. |
 List of Gems and Effects |
 List of Accessories |
 All Key Items |
 List of Collectibles |
How to Get Demon Marble and Uses
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This is incorrect. The demon marble is found on the hovering reefs surrounding the castle, not inside the castle itself. Wasted an embarrassing amount of time searching the first, second, and third floor because of this.