diff --git a/S1API/Internal/Patches/QuestPatches.cs b/S1API/Internal/Patches/QuestPatches.cs
index dc0dd12a..bc7d1e6a 100644
--- a/S1API/Internal/Patches/QuestPatches.cs
+++ b/S1API/Internal/Patches/QuestPatches.cs
@@ -1,13 +1,14 @@
-#if (IL2CPPMELON)
+#if (IL2CPPMELON)
 using S1Loaders = Il2CppScheduleOne.Persistence.Loaders;
 using S1Datas = Il2CppScheduleOne.Persistence.Datas;
 using S1Quests = Il2CppScheduleOne.Quests;
+using S1Persistence = Il2CppScheduleOne.Persistence;
 #elif (MONOMELON || MONOBEPINEX || IL2CPPBEPINEX)
 using S1Loaders = ScheduleOne.Persistence.Loaders;
 using S1Datas = ScheduleOne.Persistence.Datas;
 using S1Quests = ScheduleOne.Quests;
+using S1Persistence = ScheduleOne.Persistence;
 #endif
-
 #if (IL2CPPMELON || IL2CPPBEPINEX)
 using Il2CppSystem.Collections.Generic;
 #elif (MONOMELON || MONOBEPINEX)
@@ -19,63 +20,108 @@
 using System.Linq;
 using HarmonyLib;
 using Newtonsoft.Json;
-using S1API.Internal.Abstraction;
 using S1API.Internal.Utils;
 using S1API.Quests;
 using UnityEngine;
+using ISaveable = S1API.Internal.Abstraction.ISaveable;
 
 namespace S1API.Internal.Patches
 {
     /// <summary>
-    /// INTERNAL: All patches related to quests.
+    /// INTERNAL: Contains patches related to quest processing and custom modifications.
     /// </summary>
     [HarmonyPatch]
     internal class QuestPatches
     {
         /// <summary>
-        /// Patching performed when all quests are saved.
+        /// Provides a centralized logging mechanism to capture and output messages, warnings,
+        /// and errors during runtime, using underlying logging frameworks like BepInEx or MelonLoader.
         /// </summary>
-        /// <param name="__instance">Instance of the quest manager.</param>
-        /// <param name="parentFolderPath">Path to the base Quest folder.</param>
-        /// <param name="__result">List of extra saveable data. The game uses this for cleanup later.</param>
-        [HarmonyPatch(typeof(S1Quests.QuestManager), "WriteData")]
+        protected static readonly Logging.Log Logger = new Logging.Log("QuestPatches");
+
+        /// <summary>
+        /// Executes additional logic after quests are saved by the SaveManager.
+        /// Ensures that directories for modded quests are properly created and that
+        /// only non-vanilla modded quests are saved into the specified folder.
+        /// </summary>
+        /// <param name="saveFolderPath">The path to the save folder where quests are being stored.</param>
+        [HarmonyPatch(typeof(S1Persistence.SaveManager), nameof(S1Persistence.SaveManager.Save), typeof(string))]
         [HarmonyPostfix]
-        private static void QuestManagerWriteData(S1Quests.QuestManager __instance, string parentFolderPath, ref List<string> __result)
+        private static void SaveManager_Save_Postfix(string saveFolderPath)
         {
-            string questsPath = Path.Combine(parentFolderPath, "Quests");
+            try
+            {
+                var saveManager = S1Persistence.SaveManager.Instance;
 
-            foreach (Quest quest in QuestManager.Quests)
-                quest.SaveInternal(questsPath, ref __result);
+                string[] approved = {
+                    "Modded",
+                    Path.Combine("Modded", "Quests")
+                };
+
+                foreach (var path in approved)
+                {
+                    if (!saveManager.ApprovedBaseLevelPaths.Contains(path))
+                        saveManager.ApprovedBaseLevelPaths.Add(path);
+                }
+
+                // ✅ Create the directory structure
+                string questsPath = Path.Combine(saveFolderPath, "Modded", "Quests");
+                Directory.CreateDirectory(questsPath);
+
+                // ✅ Save only non-vanilla modded quests
+                foreach (Quest quest in QuestManager.Quests)
+                {
+                    if (!quest.GetType().Namespace.StartsWith("ScheduleOne"))
+                    {
+                        List<string> dummy = new List<string>();
+                        quest.SaveInternal(questsPath, ref dummy);
+                    }
+                }
+
+            }
+            catch (Exception ex)
+            {
+                Logger.Error("[S1API] ❌ Failed to save modded quests:\n" + ex);
+            }
         }
 
+
         /// <summary>
-        /// Patching performed for when all quests are loaded.
+        /// Invoked after all base quests are loaded to handle modded quest loading.
+        /// Loads modded quests from a specific "Modded/Quests" directory and integrates them into the game.
         /// </summary>
-        /// <param name="__instance">Instance of the quest loader.</param>
-        /// <param name="mainPath">Path to the base Quest folder.</param>
+        /// <param name="__instance">The quest loader instance responsible for managing quest load operations.</param>
+        /// <param name="mainPath">The path to the primary quest directory in the base game.</param>
         [HarmonyPatch(typeof(S1Loaders.QuestsLoader), "Load")]
         [HarmonyPostfix]
         private static void QuestsLoaderLoad(S1Loaders.QuestsLoader __instance, string mainPath)
         {
-            // Make sure we have a quests directory (fresh saves don't at this point in runtime)
-            if (!Directory.Exists(mainPath))
+            string moddedQuestsPath = Path.Combine(
+                S1Persistence.LoadManager.Instance.LoadedGameFolderPath,
+                "Modded", "Quests"
+            );
+
+            if (!Directory.Exists(moddedQuestsPath))
+            {
+                Directory.CreateDirectory(moddedQuestsPath);
                 return;
+            }
 
-            string[] questDirectories = Directory.GetDirectories(mainPath)
+            string[] questDirectories = Directory.GetDirectories(moddedQuestsPath)
                 .Select(Path.GetFileName)
                 .Where(directory => directory != null && directory.StartsWith("Quest_"))
-                .ToArray()!;
+                .ToArray();
 
             foreach (string questDirectory in questDirectories)
             {
-                string baseQuestPath = Path.Combine(mainPath, questDirectory);
+                string baseQuestPath = Path.Combine(moddedQuestsPath, questDirectory);
                 __instance.TryLoadFile(baseQuestPath, out string questDataText);
                 if (questDataText == null)
                     continue;
 
                 S1Datas.QuestData baseQuestData = JsonUtility.FromJson<S1Datas.QuestData>(questDataText);
 
-                string questDirectoryPath = Path.Combine(mainPath, questDirectory);
+                string questDirectoryPath = Path.Combine(moddedQuestsPath, questDirectory);
                 string questDataPath = Path.Combine(questDirectoryPath, "QuestData");
                 if (!__instance.TryLoadFile(questDataPath, out string questText))
                     continue;
@@ -93,6 +139,12 @@ private static void QuestsLoaderLoad(S1Loaders.QuestsLoader __instance, string m
             }
         }
 
+
+        /// <summary>
+        /// Executes logic prior to the start of a quest.
+        /// Ensures that linked modded quest data is properly initialized.
+        /// </summary>
+        /// <param name="__instance">The instance of the quest that is being started.</param>
         [HarmonyPatch(typeof(S1Quests.Quest), "Start")]
         [HarmonyPrefix]
         private static void QuestStart(S1Quests.Quest __instance) =>
diff --git a/S1API/Items/ItemDefinition.cs b/S1API/Items/ItemDefinition.cs
index 24b6e213..7cffc920 100644
--- a/S1API/Items/ItemDefinition.cs
+++ b/S1API/Items/ItemDefinition.cs
@@ -1,4 +1,4 @@
-#if (IL2CPPMELON)
+#if (IL2CPPMELON)
 using S1ItemFramework = Il2CppScheduleOne.ItemFramework;
 #elif (MONOMELON || MONOBEPINEX || IL2CPPBEPINEX)
 using S1ItemFramework = ScheduleOne.ItemFramework;
@@ -153,16 +153,29 @@ public override bool Equals(object? obj) =>
         /// <param name="a">The first <see cref="ItemDefinition"/> to compare.</param>
         /// <param name="b">The second <see cref="ItemDefinition"/> to compare.</param>
         /// <returns><c>true</c> if both instances are equal or have the same S1ItemDefinition; otherwise, <c>false</c>.</returns>
-        public static bool operator ==(ItemDefinition? a, ItemDefinition? b) =>
-            ReferenceEquals(a, b) || a != null && b != null && a.S1ItemDefinition == b.S1ItemDefinition;
-
+        public static bool operator ==(ItemDefinition? a, ItemDefinition? b)
+        {
+            if (ReferenceEquals(a, b))
+                return true;
+            if (a is null || b is null)
+                return false;
+            return ReferenceEquals(a.S1ItemDefinition, b.S1ItemDefinition);
+        }
         /// <summary>
         /// Determines whether two <see cref="ItemDefinition"/> instances are not equal.
         /// </summary>
         /// <param name="a">The first <see cref="ItemDefinition"/> to compare.</param>
         /// <param name="b">The second <see cref="ItemDefinition"/> to compare.</param>
         /// <returns><c>true</c> if the instances are not equal; otherwise, <c>false</c>.</returns>
-        public static bool operator !=(ItemDefinition? a, ItemDefinition? b) => !(a == b);
+        public static bool operator !=(ItemDefinition? a, ItemDefinition? b)
+        {
+            if (ReferenceEquals(a, b))
+                return false;
+            if (a is null || b is null)
+                return true;
+            return !ReferenceEquals(a.S1ItemDefinition, b.S1ItemDefinition);
+        }
+
     }
 
     /// <summary>