Lumenstone Adjuvant is a gadget used in The Chasm's Underground Mines in Genshin Impact 2.6. See how to get the Lumenstone Adjuvant, all uses of it, how to upgrade it with Lumenspars and Lumenstone Ores, and all rewards from refining it here!

The Chasm Guides
Chasm Delvers	The Surface	The Mines	Lumenstone Adjuvant
Lumenspar Locations	Lumenstone Ores	Ruin Serpent Guide	The Lost Valley Guide

How to Get Lumenstone Adjuvant

Obtained from The Chasm Delvers Quest Chain

The Lumenstone Adjuvant gadget can be obtained from the The Chasm Delvers quest chain, and playing through The Chasm Spelunkers subquest after entering the Underground Mines of the Chasm.

To unlock the whole questline, talk to Lan beside Katheryne in Liyue to start the quest!

''The Chasm Delvers'' Quest Chain Guide

How to Use the Lumenstone Adjuvant

All Known Uses of the Gadget

	All Ways to Use Lumenstone Adjuvant
◆	Lighting the Underground Mines
◆	Dispersing Dark Mud and Oozing Concretions
◆	Recharges objects and locked chests
◆	Find other Lumenspars

Light up the Underground Mines

Equipping the Lumenstone Adjuvant gadget will allow players to light up their surroundings while in the Underground Mines of the Chasm. The area down under can be hard to see, so it's important to keep your gadget up at all times!

The Chasm: Underground Mines Map Guide

Use in Nahida's Second Story Quest

During Nahida's Second Story Quest, Homecoming, the story takes Nahida and the Traveler into the depths of the Chasm! Having the Lumenstone Adjuvant ready can ensure the quest to go more smoothly.

Nahida Story Quest Act 2 Guide

Get Rid of the Dark Mud and Oozing Concretions

At a certain level, the Lumenstone Adjuvant can actively be used to destroy Oozing Concretions and disperse Dark Mud using Blooming Light. This function can also be strengthened and given a wider range by upgrading the Lumenstone Adjuvant.

How to Clear Out of Oozing Concretions

Stop the Ruin Serpent's Feeding Attack

Using the Lumenstone Adjuvant's Blooming Light on the Oozing bulb while fighting the Ruin Serpent will stop and prevent itself from powering up from its feeding attack.

How to Beat the Ruin Serpent

Activate Objects and Locked Chests

Objects and chest with marks and tethers will need to be recharged in order to activate or unlock. Doing this will deplete your Lumenstone Adjuvant energy, so plan your gadget usage accordingly!

Detect Lumenspars in the Mines

After upgrading your Lumenstone Adjuvant to a certain level, it will automatically mark a general area in the Underground Mines where a Lumenspar can be found, similar to how the Oculus Resonance Stones work.

How to Upgrade the Lumenstone Adjuvant

Refine with Lumenspars and Lumenstone Ores

Upgrade your Lumenstone Adjuvant gadget with Lumenspars and Lumenstone Ores. Both can only be found under The Chasm. Upgrading your Lumenstone Adjuvant will increase its maximum energy stored, its brightness and range.

Lumenstone Adjuvant Upgrade Items
Lumenspars	Lumenstone Ores

Talk to Jinwu to Start Refining

In order to refine and upgrade the Lumenstone Adjuvant, you'll need to talk to the NPC Jinwu in The Chasm!

List of All Lumenstone Adjuvant Upgrades

Lvl.	Upgrades	Materials Needed
1	• The maximum amount of energy that can be stored in the Lumenstone Adjuvant has been increased to 3.	Lumenspar x8
2	• Unlocks the Blooming Light. Using the Lumenstone Adjuvant consumes the energy stored within the Adjuvant to destroy nearby Level 1 Oozing Concretions. This can be used once every 4s.	Lumenspar x8 Lumenstone Ore x1
3	• The maximum amount of energy that can be stored in the Lumenstone Adjuvant has been increased to 4. The brightness and range have been increased.	Lumenspar x8
4	• The maximum amount of energy that can be stored in the Lumenstone Adjuvant has been increased to 6.	Lumenspar x8
5	• The maximum amount of energy that can be stored in the Lumenstone Adjuvant has been increased to 7. • Blooming Light's CD is decreased to 2s as well.	Lumenspar x8
6	• Blooming Light can unleash even greater energy to destroy Level 2 Oozing Concretions.	Lumenspar x8 Lumenstone Ore x1
7	• The maximum amount of energy that can be stored in the Lumenstone Adjuvant has been increased to 9.	Lumenspar x8
8	• The maximum amount of energy that can be stored in the Lumenstone Adjuvant has been increased to 10. • Blooming Light's AoE is increased and it can now search for nearby Lumenspar when used.	Lumenspar x8 Lumenstone Ore x1
9	• When the Lumenstone Adjuvant is equipped, characters can perform Sprints and Alternate Sprints even within the Oozing Filth. • After Blooming Light is used, the character will regain Stamina.	Lumenspar x8
10	• ''The Lumenstone Adjuvant has reached it maximum enhancement level. May this little light bring some comfort to this journey through the dark.''	Lumenspar x8

80 Lumenspars and 3 Lumenstone Ores Needed

To unlock all upgrades for the Lumenstone Adjuvant, you need to collect all 80 Lumenspar and 3 Lumenstone Ores from the Underground Mines of The Chasm.

All 3 Lumenstone Ores are obtainable from The Chasm Delver's questline, so you'll only need to advance the quests to get them!

All Lumenspar Locations

Upgrade to Increase its Range

Refining the gadget will also increase the Blooming Light's area of effect. This will also be useful when exploring the deeper areas of The Chasm!

How to Recharge the Lumenstone Adjuvant

Ways to Replenish the Energy

	All Ways to Recharge the Lumenstone Adjuvant
◆	Teleport Waypoints
◆	Lumenlamps
◆	Lucklight Flies
◆	Luminous Seelie
◆	Lumen Bubbles

Recover by Teleport Waypoints

Standing beside a Teleport Waypoint will also automatically start recharging your Lumenstone Adjuvant's energy.

Interact with Lumenlamps and Lucklight Flies

Using Lumenlamps and catching Lucklight Flies can restore some of your Lumenstone Adjuvant's energy!

Get Close to Luminous Seelies

Luminous Seelies are mutated Seelies due to the unique environment in the Underground Mines of the Chasm. Standing close to a Luminous Seelie will automatically start recharging your Lumenstone Adjuvant's energy!

Activate Lumen Bubbles

Areas of the Underground Mines will also have small bubbles of light that you can activate to collect Lumenstone Adjuvant energy!

Lumenstone Adjuvant Rewards

All Rewards from Enhancing the Gadget

Lvl.	Item Rewards
1	Fragile Resin x1 Adventure EXP x200 Mystic Enhancement Ore x10 Mora x50000
2	Acquaint Fate x2 Adventure EXP x200 Mystic Enhancement Ore x10 Mora x50000
3	Philosophies of Prosperity x2 Adventure EXP x200 Mystic Enhancement Ore x10 Mora x50000
4	Crown of Insight x1 Adventure EXP x200 Mystic Enhancement Ore x10 Mora x50000
5	Philosophies of Diligence x2 Adventure EXP x200 Mystic Enhancement Ore x10 Mora x50000
6	Acquaint Fate x2 Adventure EXP x200 Mystic Enhancement Ore x10 Mora x50000
7	Philosophies of Gold x2 Adventure EXP x200 Mystic Enhancement Ore x10 Mora x50000
8	Intertwined Fate x2 Adventure EXP x200 Mystic Enhancement Ore x10 Mora x50000
9	Northlander Billet Trove x1 Adventure EXP x200 Mystic Enhancement Ore x10 Mora x50000
10	Lumens: Stone of Light Namecard x1 Adventure EXP x200 Mystic Enhancement Ore x10 Mora x50000

Lumenstone Adjuvant Effects and Basic Information

Gadget Effects and Info

Lumenstone Adjuvant	Rarity	4
	Type	Gadgets
	Effect	When equipped in The Chasm's Underground Mines, this precious crystal can provide illumination.

It has many similarities to the Glazed Sand Crystal that may only be found within The Chasm, but it stores even greater power within it.
May it be as a sun in your palm, lighting the way through the lightless tunnels and bringing comfort where all is dark.

Released in Version 2.6

The Lumenstone Adjuvant was released during the Version 2.6 update along with The Chasm. Take a look at our Version 2.6 guide for all other new content:

Version 2.6 Release Date and Patch Notes

A Muddy Bizarre Adventure Event

Lumenstone Adjuvant Event

The Lumenstone Adjuvant was used to clear out the dark mud and oozing concretions in the A Muddy Bizarre Adventure Event!
A Muddy Bizarre Adventure Event Guide

Genshin Impact Related Guides

The Chasm Map Guide

Helpful Guides for The Chasm

The Chasm Guides
Surface Area Guide	Underground Mines Guide

The Chasm Puzzles and Features

The Chasm Puzzles

Guides for The Chasm Features
The Lost Valley Puzzle	Unique Rock Pillars
Old Chou's Treasure Hunt	Treasure Map Fragments
Mysterious Letters	Fossil Locations
Activate the Mechanism	Ring the Two Bells
Lumenspar Locked Gate	Memorial Offerings
Follow the Water's Flow	Purify the Large Crystal

The Chasm Features

Guides for The Chasm Features
Spoutrocks	Bedrock Keys
Cage-Shaped Geo Formation	Dark Mud and Oozing Concretions
Glowing Pyramids

The Chasm Quest Guides

The Chasm Delvers Quest Chain Guides
The Chasm Charters	Surreptitious Seven-Star Seal	Chasm Spelunkers
First Miasmic Contact	Meeting New People...	The Heavenly Stone's Debris
Perils in the Dark	Wherefore Did the Spiritstone Descend?
Valor's Afterglow Quest Chain Guides
Valor's Afterglow	Return by Sundown	The Faint Light Remembered
Lost in a Foreign Land Quest Chain Guides
Lost in a Foreign Land	Seeking
All Quests in The Chasm
The Millennial Mountains	Says He Who Seeks Stone	A Cliff-Side Hero's Past
Stolen, by the Rightful Owner	Undetected Infiltration	Dimming Mushroom's Call for Help
A Company Vanishing Into the Deep	The Missing Miner	The Chasm's Bounty
Mycological Investigation in The Chasm	Hydrological Investigation in The Chasm	Paleontological Investigation in The Chasm

Items in The Chasm

All Chasm Items
Lumenstone Ore	Lumenstone Adjuvant	Lumenspar
Frostglaze Crystal	Starshroom	Miner's Key
Archaic Stone	Orb of the Blue Depths	Cup of Commons
Warrior's Spear	Skyfeather	Sundial of Ages
Helm of Warding	Flower of Farsight

Living Creatures in The Chasm

Enemies in The Chasm

The Chasm Enemy Guides
Ruin Serpent Boss	Black Serpent Knight: Windcutter	Floating Hydro Fungus

Wildlife in The Chasm

All Chasm Creatures
Luminous Seelie	Bluethunder Weasel	Lucklight Flies