diff --git a/src/models/inventoryModels/inventoryModel.ts b/src/models/inventoryModels/inventoryModel.ts
index 0288cf42..af50028f 100644
--- a/src/models/inventoryModels/inventoryModel.ts
+++ b/src/models/inventoryModels/inventoryModel.ts
@@ -532,7 +532,7 @@ const questProgressSchema = new Schema<IQuestStage>(
 
 const questKeysSchema = new Schema<IQuestKeyDatabase>(
     {
-        Progress: { type: [questProgressSchema], default: undefined },
+        Progress: { type: [questProgressSchema], default: [] },
         unlock: Boolean,
         Completed: Boolean,
         CustomData: String,
diff --git a/src/services/inventoryService.ts b/src/services/inventoryService.ts
index 3721f54d..92fc007d 100644
--- a/src/services/inventoryService.ts
+++ b/src/services/inventoryService.ts
@@ -58,7 +58,7 @@ import { IKeyChainRequest } from "@/src/controllers/api/giveKeyChainTriggeredIte
 import { toOid } from "../helpers/inventoryHelpers";
 import { generateRewardSeed } from "@/src/controllers/api/getNewRewardSeedController";
 import { addStartingGear } from "@/src/controllers/api/giveStartingGearController";
-import { completeQuest } from "@/src/services/questService";
+import { addQuestKey, completeQuest } from "@/src/services/questService";
 
 export const createInventory = async (
     accountOwnerId: Types.ObjectId,
@@ -327,16 +327,24 @@ export const addItem = async (
     }
     if (typeName in ExportKeys) {
         // Note: "/Lotus/Types/Keys/" contains some EmailItems
-        inventory.QuestKeys.push({ ItemType: typeName });
-        return {
-            InventoryChanges: {
-                QuestKeys: [
-                    {
-                        ItemType: typeName
-                    }
-                ]
+        const key = ExportKeys[typeName];
+
+        if (key.chainStages) {
+            const key = addQuestKey(inventory, { ItemType: typeName });
+            if (key) {
+                return { InventoryChanges: { QuestKeys: [key] } };
             }
-        };
+        } else {
+            const key = { ItemType: typeName, ItemCount: quantity };
+
+            const index = inventory.LevelKeys.findIndex(levelKey => levelKey.ItemType == typeName);
+            if (index) {
+                inventory.LevelKeys[index].ItemCount += quantity;
+            } else {
+                inventory.LevelKeys.push(key);
+            }
+            return { InventoryChanges: { LevelKeys: [key] } };
+        }
     }
     if (typeName in ExportDrones) {
         const inventoryChanges = addDrone(inventory, typeName);
diff --git a/src/services/questService.ts b/src/services/questService.ts
index b23d0e5d..e9899721 100644
--- a/src/services/questService.ts
+++ b/src/services/questService.ts
@@ -5,7 +5,12 @@ import { TInventoryDatabaseDocument } from "@/src/models/inventoryModels/invento
 import { createMessage } from "@/src/services/inboxService";
 import { addItem, addKeyChainItems } from "@/src/services/inventoryService";
 import { getKeyChainMessage, getLevelKeyRewards } from "@/src/services/itemDataService";
-import { IInventoryDatabase, IQuestKeyDatabase, IQuestStage } from "@/src/types/inventoryTypes/inventoryTypes";
+import {
+    IInventoryDatabase,
+    IQuestKeyClient,
+    IQuestKeyDatabase,
+    IQuestStage
+} from "@/src/types/inventoryTypes/inventoryTypes";
 import { logger } from "@/src/utils/logger";
 import { HydratedDocument } from "mongoose";
 import { ExportKeys } from "warframe-public-export-plus";
@@ -69,12 +74,14 @@ export const updateQuestStage = (
     Object.assign(questStage, questStageUpdate);
 };
 
-export const addQuestKey = (inventory: TInventoryDatabaseDocument, questKey: IQuestKeyDatabase): void => {
+export const addQuestKey = (inventory: TInventoryDatabaseDocument, questKey: IQuestKeyDatabase) => {
     if (inventory.QuestKeys.some(q => q.ItemType === questKey.ItemType)) {
         logger.error(`quest key ${questKey.ItemType} already exists`);
         return;
     }
-    inventory.QuestKeys.push(questKey);
+    const index = inventory.QuestKeys.push(questKey);
+
+    return inventory.QuestKeys[index - 1].toJSON<IQuestKeyClient>();
 };
 
 export const completeQuest = async (inventory: TInventoryDatabaseDocument, questKey: string) => {