diff --git a/DragaliaAPI/DragaliaAPI.Test/Controllers/DungeonControllerTest.cs b/DragaliaAPI/DragaliaAPI.Test/Controllers/DungeonControllerTest.cs
index d36145928..53fe80ee4 100644
--- a/DragaliaAPI/DragaliaAPI.Test/Controllers/DungeonControllerTest.cs
+++ b/DragaliaAPI/DragaliaAPI.Test/Controllers/DungeonControllerTest.cs
@@ -1,5 +1,6 @@
 using DragaliaAPI.Features.Dungeon;
 using DragaliaAPI.Features.Dungeon.Record;
+using DragaliaAPI.Features.Dungeon.Start;
 using DragaliaAPI.Features.Quest;
 using DragaliaAPI.Features.Reward;
 using DragaliaAPI.Models;
@@ -8,6 +9,7 @@
 using DragaliaAPI.Services.Photon;
 using DragaliaAPI.Shared.Definitions.Enums;
 using DragaliaAPI.Shared.MasterAsset;
+using Microsoft.Extensions.Logging.Abstractions;
 
 namespace DragaliaAPI.Test.Controllers;
 
@@ -40,7 +42,8 @@ public DungeonControllerTest()
             this.mockUpdateDataService.Object,
             this.mockRewardService.Object,
             this.mockMatchingService.Object,
-            this.mockDungeonRecordHelperService.Object
+            this.mockDungeonRecordHelperService.Object,
+            NullLogger<DungeonController>.Instance
         );
     }
 
diff --git a/DragaliaAPI/DragaliaAPI/Features/Dungeon/DungeonController.cs b/DragaliaAPI/DragaliaAPI/Features/Dungeon/DungeonController.cs
index c425fa27a..814bc722e 100644
--- a/DragaliaAPI/DragaliaAPI/Features/Dungeon/DungeonController.cs
+++ b/DragaliaAPI/DragaliaAPI/Features/Dungeon/DungeonController.cs
@@ -5,6 +5,7 @@
 using DragaliaAPI.Models;
 using DragaliaAPI.Models.Generated;
 using DragaliaAPI.Services;
+using DragaliaAPI.Services.Game;
 using DragaliaAPI.Services.Photon;
 using Microsoft.AspNetCore.Mvc;
 
@@ -18,7 +19,8 @@ public class DungeonController(
     IUpdateDataService updateDataService,
     IRewardService rewardService,
     IMatchingService matchingService,
-    IDungeonRecordHelperService dungeonRecordHelperService
+    IDungeonRecordHelperService dungeonRecordHelperService,
+    ILogger<DungeonController> logger
 ) : DragaliaControllerBase
 {
     [HttpPost("get_area_odds")]
@@ -43,12 +45,12 @@ public async Task<DragaliaResult> Fail(DungeonFailRequest request)
     {
         DungeonSession session = await dungeonService.FinishDungeon(request.DungeonKey);
 
+        logger.LogDebug("Processing fail request for quest {QuestId}", session.QuestId);
+
         DungeonFailResponse response =
             new()
             {
                 Result = 1,
-                FailHelperList = new List<UserSupportList>(),
-                FailHelperDetailList = new List<AtgenHelperDetailList>(),
                 FailQuestDetail = new()
                 {
                     QuestId = session.QuestId,
@@ -58,6 +60,8 @@ public async Task<DragaliaResult> Fail(DungeonFailRequest request)
                 }
             };
 
+        logger.LogDebug("Session is multiplayer: {IsMulti}", session.IsMulti);
+
         if (session.IsMulti)
         {
             response.FailQuestDetail.IsHost = await matchingService.GetIsHost();
@@ -70,6 +74,8 @@ public async Task<DragaliaResult> Fail(DungeonFailRequest request)
                 await dungeonRecordHelperService.ProcessHelperDataSolo(session.SupportViewerId);
         }
 
+        logger.LogDebug("Final response: {@Response}", response);
+
         return this.Ok(response);
     }
 
diff --git a/DragaliaAPI/DragaliaAPI/Features/Dungeon/Start/DungeonStartController.cs b/DragaliaAPI/DragaliaAPI/Features/Dungeon/Start/DungeonStartController.cs
index db11adef6..2ca8f88c4 100644
--- a/DragaliaAPI/DragaliaAPI/Features/Dungeon/Start/DungeonStartController.cs
+++ b/DragaliaAPI/DragaliaAPI/Features/Dungeon/Start/DungeonStartController.cs
@@ -29,6 +29,12 @@ public async Task<DragaliaResult> Start(
         CancellationToken cancellationToken
     )
     {
+        logger.LogDebug(
+            "Attempting to start quest {QuestId} with helper {SupportViewerId}",
+            request.QuestId,
+            request.SupportViewerId
+        );
+
         if (!await dungeonStartService.ValidateStamina(request.QuestId, StaminaType.Single))
             return this.Code(ResultCode.QuestStaminaSingleShort);