diff --git a/src/Augmentation/AugmentationCreator.tsx b/src/Augmentation/AugmentationCreator.tsx
index f9693c1bf..00951f369 100644
--- a/src/Augmentation/AugmentationCreator.tsx
+++ b/src/Augmentation/AugmentationCreator.tsx
@@ -1484,6 +1484,19 @@ export const initGeneralAugmentations = (): Augmentation[] => [
     ),
     factions: [FactionNames.TianDiHui],
   }),
+
+  // Grafting-exclusive Augmentation
+  new Augmentation({
+    name: AugmentationNames.CongruityImplant,
+    repCost: 0,
+    moneyCost: 50e12,
+    info:
+      "Developed by a pioneer in Grafting research, this implant " +
+      "generates pulses of stability which seem to have a nullifying " +
+      "effect versus the Entropy virus.",
+    stats: <>This Augmentation removes the Entropy virus, and prevents it from affecting you again.</>,
+    factions: [],
+  }),
 ];
 
 export const initBladeburnerAugmentations = (): Augmentation[] => [
diff --git a/src/Augmentation/AugmentationHelpers.tsx b/src/Augmentation/AugmentationHelpers.tsx
index 2250d65f3..6078ae182 100644
--- a/src/Augmentation/AugmentationHelpers.tsx
+++ b/src/Augmentation/AugmentationHelpers.tsx
@@ -141,6 +141,12 @@ function applyAugmentation(aug: IPlayerOwnedAugmentation, reapply = false): void
     }
   }
 
+  // Special logic for Congruity Implant
+  if (aug.name === AugmentationNames.CongruityImplant && !reapply) {
+    Player.entropy = 0;
+    Player.applyEntropy(Player.entropy);
+  }
+
   // Push onto Player's Augmentation list
   if (!reapply) {
     const ownedAug = new PlayerOwnedAugmentation(aug.name);
diff --git a/src/Augmentation/data/AugmentationNames.ts b/src/Augmentation/data/AugmentationNames.ts
index f0fe6a46f..fc77c6d78 100644
--- a/src/Augmentation/data/AugmentationNames.ts
+++ b/src/Augmentation/data/AugmentationNames.ts
@@ -91,6 +91,7 @@ export enum AugmentationNames {
   BionicArms = "Bionic Arms",
   SNA = "Social Negotiation Assistant (S.N.A)",
   HydroflameLeftArm = "Hydroflame Left Arm",
+  CongruityImplant = "nickofolas Congruity Implant",
   EsperEyewear = "EsperTech Bladeburner Eyewear",
   EMS4Recombination = "EMS-4 Recombination",
   OrionShoulder = "ORION-MKIV Shoulder",
diff --git a/src/PersonObjects/Player/PlayerObjectGeneralMethods.tsx b/src/PersonObjects/Player/PlayerObjectGeneralMethods.tsx
index 00f0acbd7..b316096ea 100644
--- a/src/PersonObjects/Player/PlayerObjectGeneralMethods.tsx
+++ b/src/PersonObjects/Player/PlayerObjectGeneralMethods.tsx
@@ -1371,8 +1371,11 @@ export function finishGraftAugmentationWork(this: IPlayer, cancelled: boolean):
     );
 
     applyAugmentation(Augmentations[augName]);
-    this.entropy += 1;
-    this.applyEntropy(this.entropy);
+
+    if (!this.hasAugmentation(AugmentationNames.CongruityImplant)) {
+      this.entropy += 1;
+      this.applyEntropy(this.entropy);
+    }
   } else {
     dialogBoxCreate(`You cancelled the crafting of ${augName}.<br>Your money was not returned to you.`);
   }