diff --git a/src/models/inventoryModels/inventoryModel.ts b/src/models/inventoryModels/inventoryModel.ts
index b0a84f5f..86b9c2c8 100644
--- a/src/models/inventoryModels/inventoryModel.ts
+++ b/src/models/inventoryModels/inventoryModel.ts
@@ -1400,7 +1400,7 @@ const inventorySchema = new Schema<IInventoryDatabase, InventoryDocumentProps>(
         //Discount Coupon
         PendingCoupon: pendingCouponSchema,
         //Like BossAladV,BossCaptainVor come for you on missions % chance
-        DeathMarks: [String],
+        DeathMarks: { type: [String], default: [] },
         //Zanuka
         Harvestable: Boolean,
         //Grustag three
diff --git a/src/services/missionInventoryUpdateService.ts b/src/services/missionInventoryUpdateService.ts
index fb4a936e..17f94c84 100644
--- a/src/services/missionInventoryUpdateService.ts
+++ b/src/services/missionInventoryUpdateService.ts
@@ -294,6 +294,25 @@ export const addMissionInventoryUpdates = async (
                 inventory.SeasonChallengeHistory.push(...processedCompletions);
                 break;
             }
+            case "DeathMarks": {
+                for (const deathMark of value) {
+                    if (!inventory.DeathMarks.find(x => x == deathMark)) {
+                        // It's a new death mark; we have to say the line.
+                        await createMessage(inventory.accountOwnerId.toString(), [
+                            {
+                                sub: "/Lotus/Language/G1Quests/DeathMarkTitle",
+                                sndr: "/Lotus/Language/G1Quests/DeathMarkSender",
+                                msg: "/Lotus/Language/G1Quests/DeathMarkMessage",
+                                icon: "/Lotus/Interface/Icons/Npcs/Stalker_d.png",
+                                highPriority: true
+                            }
+                        ]);
+                        // TODO: This type of inbox message seems to automatically delete itself. Figure out under which conditions.
+                    }
+                }
+                inventory.DeathMarks = value;
+                break;
+            }
             default:
                 // Equipment XP updates
                 if (equipmentKeys.includes(key as TEquipmentKey)) {
diff --git a/src/types/requestTypes.ts b/src/types/requestTypes.ts
index c3777112..8d1026bf 100644
--- a/src/types/requestTypes.ts
+++ b/src/types/requestTypes.ts
@@ -107,6 +107,7 @@ export type IMissionInventoryUpdateRequest = {
         DropTable: string;
         DROP_MOD: number[];
     }[];
+    DeathMarks?: string[];
 } & {
     [K in TEquipmentKey]?: IEquipmentClient[];
 };