 | Name | Foreign Synapse |
| Type (Ingame) | Character and Weapon Enhancement Material | |
| Family | Weapon Ascension Item, Wep Secondary Ascension Material, Crafted Item, Ingredient, Alchemy Ingredient | |
| Rarity |  | |
| Alternative Item Source (Ingame) | Dropped by Lv. 40+ Breacher Primuses Stardust Exchange | |
| Description | A shard left by Breacher Primus. This strange life form originates in Elynas and inhabits the area. |
| Table of Content |
| Obtained From |
| Used By |
| Gallery |
Obtained From
Drop
| Icon | Name | Grade | Drop |
 | Large Shatterstone Breacher Primus | Elite |            |
 | Shatterstone Breacher Primus | Elite | |
 | Large Overgrown Breacher Primus | Elite | |
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Recipe
| Icon | Name | Recipe |
| Foreign Synapse | |
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Shop
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Used By
Weapon
| Icon | Name | Rarity | Atk | Sub | Value | Weapon Affix | Ascension Materials |
 | Tidal Shadow | 4 | 42.4 | Atk% | 9% | After the wielder is healed, ATK will be increased by |   |
 | Rightful Reward | 4 | 43.73 | HP% | 6% | When the wielder is healed, restore | |
 | Flowing Purity | 4 | 43.73 | Atk% | 6% | When using an Elemental Skill, All Elemental DMG Bonus will be increased by |   |
 | Portable Power Saw | 4 | 41.07 | HP% | 12% | When the wielder is healed or heals others, they will gain a Stoic's Symbol that lasts 30s, up to a maximum of 3 Symbols. When using their Elemental Skill or Burst, all Symbols will be consumed and the Roused effect will be granted for 10s. For each Symbol consumed, gain | |
 | Tome of the Eternal Flow | 5 | 44.34 | CrD% | 19.2% | HP is increased by | |
 | Verdict | 5 | 47.54 | CrR% | 4.8% | Increases ATK by |  |
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Recipe
| Icon | Name | Recipe |
| Alien Life Core | |
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"Cashcow" is truly a proper name for her. I wonder if genshin devs also refer her by that. Imagine ...