diff --git a/src/controllers/api/trainingResultController.ts b/src/controllers/api/trainingResultController.ts
index 022d6c10..a9bc196e 100644
--- a/src/controllers/api/trainingResultController.ts
+++ b/src/controllers/api/trainingResultController.ts
@@ -5,6 +5,7 @@ import { IMongoDate } from "@/src/types/commonTypes";
 import { RequestHandler } from "express";
 import { unixTimesInMs } from "@/src/constants/timeConstants";
 import { IInventoryChanges } from "@/src/types/purchaseTypes";
+import { createMessage } from "@/src/services/inboxService";
 
 interface ITrainingResultsRequest {
     numLevelsGained: number;
@@ -26,6 +27,25 @@ const trainingResultController: RequestHandler = async (req, res): Promise<void>
     if (trainingResults.numLevelsGained == 1) {
         inventory.TrainingDate = new Date(Date.now() + unixTimesInMs.hour * 23);
         inventory.PlayerLevel += 1;
+
+        await createMessage(accountId, [
+            {
+                sndr: "/Lotus/Language/Menu/Mailbox_WarframeSender",
+                msg: "/Lotus/Language/Inbox/MasteryRewardMsg",
+                arg: [
+                    {
+                        Key: "NEW_RANK",
+                        Tag: inventory.PlayerLevel
+                    }
+                ],
+                att: [
+                    `/Lotus/Types/Items/ShipDecos/MasteryTrophies/Rank${inventory.PlayerLevel.toString().padStart(2, "0")}Trophy`
+                ],
+                sub: "/Lotus/Language/Inbox/MasteryRewardTitle",
+                icon: "/Lotus/Interface/Icons/Npcs/Lotus_d.png",
+                highPriority: true
+            }
+        ]);
     }
 
     const changedinventory = await inventory.save();
diff --git a/src/models/inboxModel.ts b/src/models/inboxModel.ts
index c451d18a..16986184 100644
--- a/src/models/inboxModel.ts
+++ b/src/models/inboxModel.ts
@@ -40,7 +40,7 @@ export interface IMessage {
 
 export interface Arg {
     Key: string;
-    Tag: string;
+    Tag: string | number;
 }
 
 //types are wrong
@@ -99,7 +99,7 @@ const messageSchema = new Schema<IMessageDatabase>(
             type: [
                 {
                     Key: String,
-                    Tag: String,
+                    Tag: Schema.Types.Mixed,
                     _id: false
                 }
             ],