diff --git a/DragaliaAPI.Shared.Test/Unit/MasterAssetTest.cs b/DragaliaAPI.Shared.Test/Unit/MasterAssetTest.cs
index 8ac4ca1e6..af71bdb92 100644
--- a/DragaliaAPI.Shared.Test/Unit/MasterAssetTest.cs
+++ b/DragaliaAPI.Shared.Test/Unit/MasterAssetTest.cs
@@ -258,7 +258,8 @@ public void QuestData_Get_ReturnsExpectedProperties()
                     PayEntityTargetType: PayTargetType.None,
                     PayEntityType: 0,
                     PayEntityId: 0,
-                    PayEntityQuantity: 0
+                    PayEntityQuantity: 0,
+                    IsSumUpTotalDamage: false
                 )
             );
 
diff --git a/DragaliaAPI.Shared/MasterAsset/Models/QuestData.cs b/DragaliaAPI.Shared/MasterAsset/Models/QuestData.cs
index 6ee01db58..3a234281a 100644
--- a/DragaliaAPI.Shared/MasterAsset/Models/QuestData.cs
+++ b/DragaliaAPI.Shared/MasterAsset/Models/QuestData.cs
@@ -1,5 +1,7 @@
-using DragaliaAPI.Photon.Shared.Enums;
+using System.Text.Json.Serialization;
+using DragaliaAPI.Photon.Shared.Enums;
 using DragaliaAPI.Shared.Definitions.Enums;
+using DragaliaAPI.Shared.Json;
 
 namespace DragaliaAPI.Shared.MasterAsset.Models;
 
@@ -32,7 +34,8 @@ public record QuestData(
     PayTargetType PayEntityTargetType,
     EntityTypes PayEntityType,
     int PayEntityId,
-    int PayEntityQuantity
+    int PayEntityQuantity,
+    [property: JsonConverter(typeof(BoolIntJsonConverter))] bool IsSumUpTotalDamage
 )
 {
     public IEnumerable<AreaInfo> AreaInfo =>
diff --git a/DragaliaAPI/Features/Dungeon/DungeonRecordController.cs b/DragaliaAPI/Features/Dungeon/DungeonRecordController.cs
index f4f59779b..81d3d8f7e 100644
--- a/DragaliaAPI/Features/Dungeon/DungeonRecordController.cs
+++ b/DragaliaAPI/Features/Dungeon/DungeonRecordController.cs
@@ -186,6 +186,26 @@ await eventDropService.ProcessEventMaterialDrops(
             )
         );
 
+        EventDamageRanking? damageRanking = null;
+        if (session.QuestData.IsSumUpTotalDamage)
+        {
+            damageRanking = new()
+            {
+                event_id = session.QuestData.Gid,
+                own_damage_ranking_list = new List<AtgenOwnDamageRankingList>()
+                {
+                    // TODO: track in database to determine if it's a new personal best
+                    new AtgenOwnDamageRankingList()
+                    {
+                        chara_id = 0,
+                        rank = 0,
+                        damage_value = playRecord?.total_play_damage ?? 0,
+                        is_new = false,
+                    }
+                }
+            };
+        }
+
         await rewardService.GrantReward(new Entity(EntityTypes.Rupies, Quantity: coinDrop));
         await rewardService.GrantReward(new Entity(EntityTypes.Mana, Quantity: manaDrop));
 
@@ -256,9 +276,10 @@ await eventDropService.ProcessEventMaterialDrops(
                 is_best_clear_time = clear_time == newQuestData.BestClearTime,
                 converted_entity_list = new List<ConvertedEntityList>(),
                 dungeon_skip_type = 0,
-                total_play_damage = 0,
+                total_play_damage = playRecord?.total_play_damage ?? 0,
             },
             update_data_list = updateDataList,
+            event_damage_ranking = damageRanking,
             entity_result = new(),
         };
     }
diff --git a/DragaliaAPI/Models/Generated/Components.cs b/DragaliaAPI/Models/Generated/Components.cs
index bb7c0ad77..4a5e76223 100644
--- a/DragaliaAPI/Models/Generated/Components.cs
+++ b/DragaliaAPI/Models/Generated/Components.cs
@@ -2808,11 +2808,13 @@ public AtgenOption() { }
 public class AtgenOwnDamageRankingList
 {
     public int rank { get; set; }
-    public int is_new { get; set; }
+
+    [MessagePackFormatter(typeof(BoolToIntFormatter))]
+    public bool is_new { get; set; }
     public int chara_id { get; set; }
     public long damage_value { get; set; }
 
-    public AtgenOwnDamageRankingList(int rank, int is_new, int chara_id, long damage_value)
+    public AtgenOwnDamageRankingList(int rank, bool is_new, int chara_id, long damage_value)
     {
         this.rank = rank;
         this.is_new = is_new;