Genshin Impact

How to Get Foreign Synapse and Locations

◆ Latest: 5.5 Codes, Sacred Mountain, Natlan Quests
◆ Builds: Varesa, Iansan, Xianyun, Venti, Xilonen
◆ 5.5: Skysplit Gembloom, Dracolite, Pyroculus
◆ Events: Tournament of Glory, A Tranquil Day
◆ Upcoming: Version 5.6, Escoffier

Genshin Impact - How to Get Foreign Synapse and Effects

The Foreign Synapse is an Ascension Material obtained by defeating a Breacher Primuses in Genshin Impact 4.0. See where to find it, how to use it, its rarity and effects, and all other information about Foreign Synapses right here!

List of Contents

How to Get Foreign Synapse

Defeat Breacher Primus Enemies

Rift Core, Foreign Synapse, and Alien Life Core are drops from Breacher Primus enemies.

Breacher Primus Enemies
Large Overgrown Breacher Primus ImageLarge Overgrown Breacher Primus Large Shatterstone Breacher Primus ImageLarge Shatterstone Breacher Primus Overgrown Breacher Primus ImageOvergrown Breacher Primus
Shatterstone Breacher Primus ImageShatterstone Breacher Primus

Breacher Primus Locations

How to Use Foreign Synapse

Character and Weapon Ascension Material

This material is used to ascend characters and weapons to their next ascension level. Be sure to gather the required amount in advance, so you can Ascend them right away when they hit their level cap.

List of Weapons that Uses Foreign Synapse

The Foreign Synapse is used to ascend certain weapons and make them stronger!

Weapons that use Foreign Synapse
Tome of the Eternal Flow ImageTome of the Eternal Flow Verdict ImageVerdict Flowing Purity ImageFlowing Purity
Portable Power Saw ImagePortable Power Saw Rightful Reward ImageRightful Reward Tidal Shadow ImageTidal Shadow

List of All Weapons

Items Craftable With This Material

Output Item Amount Needed
Alien Life Core Image Alien Life Core
Foreign Synapse Foreign Synapse ×3

Foreign Synapse Effects and Basic Information

Foreign Synapse ImageForeign Synapse Rarity 3
Type Character Development Item
Effect Character Ascension Material

A shard left by Breacher Primus. This strange life form originates in Elynas and inhabits the area.

Genshin Impact Related Guides

Genshin - Items and Materials Slim Banner

List of Items and Materials

List of Character Level Up Materials

List of Items
HunterHunter's Sacrificial Knife AgentAgent's Sacrificial Knife InspectorInspector's Sacrificial Knife
Mist Grass Pollen ImageMist Grass Pollen Mist Grass ImageMist Grass Mist Grass Wick ImageMist Grass Wick
Chaos Device ImageChaos Device Chaos Circuit ImageChaos Circuit Chaos Core ImageChaos Core
Dead Ley Line Branch ImageDead Ley Line Branch Dead Ley Line Leaves ImageDead Ley Line Leaves Ley Line Sprout ImageLey Line Sprout
Heavy Horn ImageHeavy Horn Black Bronze Horn ImageBlack Bronze Horn Black Crystal Horn ImageBlack Crystal Horn
Damaged Mask ImageDamaged Mask Stained Mask ImageStained Mask Ominous Mask ImageOminous Mask
Treasure Hoarder Insignia ImageTreasure Hoarder Insignia Silver Raven Insignia ImageSilver Raven Insignia Golden Raven Insignia ImageGolden Raven Insignia
Firm Arrowhead ImageFirm Arrowhead Sharp Arrowhead ImageSharp Arrowhead Weathered Arrowhead ImageWeathered Arrowhead
Divining Scroll ImageDivining Scroll Sealed Scroll ImageSealed Scroll Forbidden Curse Scroll ImageForbidden Curse Scroll
Slime Condensate ImageSlime Condensate Slime Secretions ImageSlime Secretions Slime Concentrate ImageSlime Concentrate
RecruitRecruit's Insignia SergeantSergeant's Insignia LieutenantLieutenant's Insignia
Basalt Pillar ImageBasalt Pillar Hurricane Seed ImageHurricane Seed Lightning Prism ImageLightning Prism
Fragile Bone Shard ImageFragile Bone Shard Sturdy Bone Shard ImageSturdy Bone Shard Fossilized Bone Shard ImageFossilized Bone Shard
Whopperflower Nectar ImageWhopperflower Nectar Shimmering Nectar ImageShimmering Nectar Energy Nectar ImageEnergy Nectar
Hoarfrost Core ImageHoarfrost Core Cleansing Heart ImageCleansing Heart Everflame Seed ImageEverflame Seed
Juvenile Jade ImageJuvenile Jade Crystalline Bloom ImageCrystalline Bloom Marionette Core ImageMarionette Core
Perpetual Heart ImagePerpetual Heart Kageuchi Handguard ImageKageuchi Handguard Famed Handguard ImageFamed Handguard
Old Handguard ImageOld Handguard Dismal Prism ImageDismal Prism Crystal Prism ImageCrystal Prism
Polarizing Prism ImagePolarizing Prism Smoldering Pearl ImageSmoldering Pearl Chaos Axis ImageChaos Axis
Chaos Gear ImageChaos Gear Chaos Oculus ImageChaos Oculus Dew of Repudiation ImageDew of Repudiation
Storm Beads ImageStorm Beads Spectral Nucleus ImageSpectral Nucleus Spectral Husk ImageSpectral Husk
Spectral Heart ImageSpectral Heart Concealed Claw ImageConcealed Claw Concealed Unguis ImageConcealed Unguis
Concealed Talon ImageConcealed Talon Riftborn Regalia ImageRiftborn Regalia DragonheirDragonheir's False Fin
Deathly Statuette ImageDeathly Statuette Dark Statuette ImageDark Statuette Gloomy Statuette ImageGloomy Statuette
Runic Fang ImageRunic Fang Fungal Spores ImageFungal Spores Luminescent Pollen ImageLuminescent Pollen
Crystalline Cyst Dust ImageCrystalline Cyst Dust Majestic Hooked Beak ImageMajestic Hooked Beak Faded Red Satin ImageFaded Red Satin
Trimmed Red Silk ImageTrimmed Red Silk Rich Red Brocade ImageRich Red Brocade Chaos Storage ImageChaos Storage
Chaos Module ImageChaos Module Chaos Bolt ImageChaos Bolt Thunderclap Fruitcore ImageThunderclap Fruitcore
Dormant Fungal Nucleus ImageDormant Fungal Nucleus Inactivated Fungal Nucleus ImageInactivated Fungal Nucleus Robust Fungal Nucleus ImageRobust Fungal Nucleus
Light Guiding Tetrahedron ImageLight Guiding Tetrahedron Damaged Prism ImageDamaged Prism Turbid Prism ImageTurbid Prism
Radiant Prism ImageRadiant Prism Perpetual Caliber ImagePerpetual Caliber Quelled Creeper ImageQuelled Creeper
Desiccated Shell ImageDesiccated Shell Pseudo-Stamens ImagePseudo-Stamens Sturdy Shell ImageSturdy Shell
Marked Shell ImageMarked Shell A Flower Yet to Bloom ImageA Flower Yet to Bloom Evergloom Ring ImageEvergloom Ring
Treasured Flower ImageTreasured Flower WandererWanderer's Blooming Flower EmperorEmperor's Resolution
Artificed Spare Clockwork Component - Coppelius ImageArtificed Spare Clockwork Component - Coppelius Artificed Spare Clockwork Component - Coppelia ImageArtificed Spare Clockwork Component - Coppelia Alien Life Core ImageAlien Life Core
Foreign Synapse ImageForeign Synapse Rift Core ImageRift Core Newborn Tainted Hydro Phantasm ImageNewborn Tainted Hydro Phantasm
Scoop of Tainted Water ImageScoop of Tainted Water Drop of Tainted Water ImageDrop of Tainted Water Artificed Dynamic Gear ImageArtificed Dynamic Gear
Mechanical Spur Gear ImageMechanical Spur Gear Meshing Gear ImageMeshing Gear Xenochromatic Crystal ImageXenochromatic Crystal
Transoceanic Chunk ImageTransoceanic Chunk Transoceanic Pearl ImageTransoceanic Pearl Fontemer Unihorn ImageFontemer Unihorn
Tourbillon Device ImageTourbillon Device Old OperativeOld Operative's Pocket Watch OperativeOperative's Standard Pocket Watch
OperativeOperative's Constancy Water That Failed to Transcend ImageWater That Failed to Transcend Feathery Fin ImageFeathery Fin
Lunar Fin ImageLunar Fin Chasmlight Fin ImageChasmlight Fin Cloudseam Scale ImageCloudseam Scale
Fragment of a Golden Melody ImageFragment of a Golden Melody Ruined Hilt ImageRuined Hilt Splintered Hilt ImageSplintered Hilt
Still-Smoldering Hilt ImageStill-Smoldering Hilt Mark of the Binding Blessing ImageMark of the Binding Blessing SentrySentry's Wooden Whistle
WarriorWarrior's Metal Whistle Saurian-Crowned WarriorSaurian-Crowned Warrior's Golden Whistle Juvenile Fang ImageJuvenile Fang
Seasoned Fang ImageSeasoned Fang TyrantTyrant's Fang Shard of a Shattered Will ImageShard of a Shattered Will
Locus of a Clear Will ImageLocus of a Clear Will Sigil of a Striding Will ImageSigil of a Striding Will Ignited Stone ImageIgnited Stone
Ignited Seed of Life ImageIgnited Seed of Life Ignited Seeing Eye ImageIgnited Seeing Eye Axis of the Secret Source ImageAxis of the Secret Source
Sheath of the Secret Source ImageSheath of the Secret Source Heart of the Secret Source ImageHeart of the Secret Source Overripe Flamegranate ImageOverripe Flamegranate
Gold-Inscribed Secret Source Core ImageGold-Inscribed Secret Source Core Ensnaring Gaze ImageEnsnaring Gaze Refractive Bud ImageRefractive Bud
Bewildering Broadleaf ImageBewildering Broadleaf Illusory Leafcoil ImageIllusory Leafcoil Talisman of the Enigmatic Land ImageTalisman of the Enigmatic Land
The Cornerstone of Stars and Flames ImageThe Cornerstone of Stars and Flames

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