diff --git a/src/controllers/api/artifactsController.ts b/src/controllers/api/artifactsController.ts
index bb69d486..93aa47af 100644
--- a/src/controllers/api/artifactsController.ts
+++ b/src/controllers/api/artifactsController.ts
@@ -13,8 +13,8 @@ const artifactsController: RequestHandler = async (req, res) => {
         const parsedData = JSON.parse(data);
 
         // eslint-disable-next-line @typescript-eslint/no-unsafe-argument
-        await upgradeMod(parsedData, id);
-        res.json({});
+        const upgradeModId = await upgradeMod(parsedData, id);
+        res.send(upgradeModId);
     } catch (err) {
         console.error("Error parsing JSON data:", err);
     }
diff --git a/src/models/inventoryModel.ts b/src/models/inventoryModel.ts
index 504bfaaf..d96f22bc 100644
--- a/src/models/inventoryModel.ts
+++ b/src/models/inventoryModel.ts
@@ -1,4 +1,4 @@
-import { Model, Schema, Types, model } from "mongoose";
+import mongoose, { Model, Schema, Types, model } from "mongoose";
 import { FlavourItem, RawUpgrade, MiscItem, IInventoryDatabase, Booster } from "../types/inventoryTypes/inventoryTypes";
 import { Oid } from "../types/commonTypes";
 import { ISuitDatabase } from "@/src/types/inventoryTypes/SuitTypes";
@@ -75,7 +75,13 @@ const RawUpgrades = new Schema({
     ItemType: String,
     UpgradeFingerprint: String,
     PendingRerollFingerprint: String,
-    ItemCount: Number
+    ItemCount: Number,
+    ItemId: {
+        $oid: mongoose.Schema.Types.ObjectId
+    },
+    LastAdded: {
+        $oid: mongoose.Schema.Types.ObjectId
+    }
 });
 
 RawUpgrades.set("toJSON", {
diff --git a/src/services/inventoryService.ts b/src/services/inventoryService.ts
index 9741711a..30d14555 100644
--- a/src/services/inventoryService.ts
+++ b/src/services/inventoryService.ts
@@ -150,14 +150,16 @@ const addMods = (inventory: IInventoryDatabaseDocument, itemsArray: RawUpgrade[]
     const { RawUpgrades } = inventory;
     itemsArray?.forEach(({ ItemType, ItemCount, UpgradeFingerprint }) => {
         const itemIndex = RawUpgrades.findIndex(
-            i => i.ItemType === ItemType && i.UpgradeFingerprint === UpgradeFingerprint
+            i =>
+                i.ItemType === ItemType &&
+                (i.UpgradeFingerprint === UpgradeFingerprint || (!i.UpgradeFingerprint && !UpgradeFingerprint))
         );
 
         if (itemIndex !== -1) {
             RawUpgrades[itemIndex].ItemCount += ItemCount;
             inventory.markModified(`RawUpgrades.${itemIndex}.ItemCount`);
         } else {
-            RawUpgrades.push({ ItemCount, ItemType });
+            RawUpgrades.push({ ItemCount, ItemType, UpgradeFingerprint });
         }
     });
 };
@@ -228,36 +230,46 @@ export const upgradeMod = async (
         FusionPointCost
     }: { Upgrade: RawUpgrade; LevelDiff: number; Cost: number; FusionPointCost: number },
     accountId: string
-): Promise<void> => {
+): Promise<string | undefined> => {
     const inventory = await getInventory(accountId);
     const { RawUpgrades } = inventory;
     const { ItemCount, ItemType, UpgradeFingerprint } = Upgrade;
     const itemIndex = RawUpgrades.findIndex(
-        i => i.ItemType === ItemType && i.UpgradeFingerprint === UpgradeFingerprint
+        i =>
+            i.ItemType === ItemType &&
+            (i.UpgradeFingerprint === UpgradeFingerprint || (!i.UpgradeFingerprint && !UpgradeFingerprint))
     );
 
+    console.log(itemIndex, ItemType, UpgradeFingerprint);
+
     const safeUpgradeFingerprint = UpgradeFingerprint || '{"lvl":0}';
     // eslint-disable-next-line @typescript-eslint/no-unsafe-assignment
     const parsedUpgradeFingerprint = JSON.parse(safeUpgradeFingerprint);
     parsedUpgradeFingerprint.lvl += LevelDiff;
 
-    if (!ItemCount) return;
+    if (!ItemCount || itemIndex === -1) return;
 
-    RawUpgrades[itemIndex].ItemCount--;
+    RawUpgrades[itemIndex].UpgradeFingerprint = JSON.stringify(parsedUpgradeFingerprint);
 
-    if (RawUpgrades[itemIndex].ItemCount > 0) {
-        inventory.markModified(`RawUpgrades.${itemIndex}.ItemCount`);
-    } else {
-        RawUpgrades.splice(itemIndex, 1);
-        inventory.markModified(`RawUpgrades`);
-    }
+    // RawUpgrades[itemIndex].ItemCount--;
 
-    addMods(inventory, [{ ItemType, ItemCount: 1, UpgradeFingerprint: JSON.stringify(parsedUpgradeFingerprint) }]);
+    // if (RawUpgrades[itemIndex].ItemCount > 0) {
+    //     inventory.markModified(`RawUpgrades.${itemIndex}.ItemCount`);
+    // } else {
+    //     RawUpgrades.splice(itemIndex, 1);
+    //     inventory.markModified(`RawUpgrades`);
+    // }
+
+    // addMods(inventory, [{ ItemType, ItemCount: 1, UpgradeFingerprint: JSON.stringify(parsedUpgradeFingerprint) }]);
 
     inventory.RegularCredits -= Cost;
     inventory.FusionPoints -= FusionPointCost;
 
-    await inventory.save();
+    const changedInventory = await inventory.save();
+    // eslint-disable-next-line @typescript-eslint/no-unsafe-return
+    return changedInventory.RawUpgrades[itemIndex]?.toJSON().ItemId.$oid;
+
+    // await inventory.save();
     // {
     //     "Upgrade": {
     //         ItemType: "/Lotus/Upgrades/Mods/Warframe/Beginner/AvatarShieldMaxModBeginner",
diff --git a/src/types/inventoryTypes/inventoryTypes.ts b/src/types/inventoryTypes/inventoryTypes.ts
index 36ffbdbd..6991e7d9 100644
--- a/src/types/inventoryTypes/inventoryTypes.ts
+++ b/src/types/inventoryTypes/inventoryTypes.ts
@@ -925,9 +925,10 @@ export interface Progress {
 export interface RawUpgrade {
     ItemType: string;
     ItemCount: number;
+    ItemId?: Oid;
+    LastAdded?: Oid;
     UpgradeFingerprint?: string;
     PendingRerollFingerprint?: string;
-    LastAdded?: Oid;
 }
 
 export interface Scoop {