Mysterious Xenochromatic Crystal is a Quest Item obtained from Local Legends in Morte Region in Genshin Impact 4.2. See how to get this quest item, how to use it, and all its known info here in this guide!

How to Get Mysterious Xenochromatic Crystal

Get from Mageblade Corrouge

The Mysterious Xenochromatic Crystal is obtained after defeating the Mageblade Corrouge! This Local Legend can only be found after progressing The Wild Fairy of Erinnyes world quest.

You can get another Mysterious Xenochromatic Crystal by defeating this boss again after the server reset, but you can only hold one of them in your inventory at a time.

How to Defeat Mageblade Corrouge

Get from Chassanion

Another crystal can be obtained after defeating Chassanion under the Sealed Tower, or inside it after the events of In the Wake of Narcissus.

Like Mageblade Corrouge, you can get another Mysterious Xenochromatic Crystal after it respawns, but you can only hold one Crystal at a time.

How to Defeat Chassanion

How to Use Mysterious Xenochromatic Crystal

Sell to Pitot at the Rusty Rudder

Go to the Rusty Rudder boat found east of the Foggy Forest Path and talk to the NPC Pitot! He will accept the Mysterious Xenochromatic Crystal for 20,000 Mora!

You can only do it once a day as you cannot get another Crystal if you already obtained one in your inventory!

Sell Three Times to Get “A World Yet to be Disenchanted” Achievement

Upon giving Pitot the crystal three times, you will obtain the A World Yet to be Disenchanted achievement!

Mysterious Xenochromatic Crystal Info

Item Inventory Entry

Mysterious Xenochromatic Crystal	Rarity	1
	Type	Quest Items
	Effect	None

A large crystal obtained from defeating the extremely powerful Fontemer Aberrants in the Morte Region.
The power it contains is more mysterious than common Xenochromatic Crystals.
Maybe someone will be willing to pay the right price for it.

Genshin Impact Related Guides

Items and Materials

Other Fontaine Quest Items

All Fontaine Quest Items
Tears Among the Stars	“Delightful Encounter”	Arkhium Lumenite
Arkhium Stock	Thelxie's Fantastic Adventures	Mysterious Ore
A Ridiculously Common Branch	Credit Coupon	Drained Conch Cup
Energy Concentrating Component	Foggy Forest Branch	Fontaine Ancient Key
Handwheel	Mysterious Core	Mysterious Xenochromatic Crystal
Punched Tape	Rainbow Rose's Ideals	Restored Score
Rusty Iron Key	Simple Vault Key	Spur Gear
Strange Part	Teardrop Key

List of All Quest Items

List of Quest Items