diff --git a/PrioTargetId.json b/PrioTargetId.json
new file mode 100644
index 000000000..dc910c28f
--- /dev/null
+++ b/PrioTargetId.json
@@ -0,0 +1,4 @@
+[
+  0x415E,
+  0x4642
+]
\ No newline at end of file
diff --git a/RotationSolver.Basic/Configuration/OtherConfiguration.cs b/RotationSolver.Basic/Configuration/OtherConfiguration.cs
index 5d2ab0c2b..4533aa532 100644
--- a/RotationSolver.Basic/Configuration/OtherConfiguration.cs
+++ b/RotationSolver.Basic/Configuration/OtherConfiguration.cs
@@ -10,7 +10,6 @@ internal class OtherConfiguration
 
     public static SortedList<uint, float> AnimationLockTime = [];
 
-    public static Dictionary<uint, string[]> PrioTargetNames = [];
     public static Dictionary<uint, string[]> NoHostileNames = [];
     public static Dictionary<uint, string[]> NoProvokeNames = [];
     public static Dictionary<uint, Vector3[]> BeneficialPositions = [];
@@ -19,6 +18,7 @@ internal class OtherConfiguration
     public static HashSet<uint> PriorityStatus = [];
     public static HashSet<uint> InvincibleStatus = [];
     public static HashSet<uint> NoCastingStatus = [];
+    public static HashSet<uint> PrioTargetId = [];
 
     public static RotationSolverRecord RotationSolverRecord = new();
 
@@ -32,7 +32,7 @@ public static void Init()
         Task.Run(() => InitOne(ref DangerousStatus, nameof(DangerousStatus)));
         Task.Run(() => InitOne(ref PriorityStatus, nameof(PriorityStatus)));
         Task.Run(() => InitOne(ref InvincibleStatus, nameof(InvincibleStatus)));
-        Task.Run(() => InitOne(ref PrioTargetNames, nameof(PrioTargetNames)));
+        Task.Run(() => InitOne(ref PrioTargetId, nameof(PrioTargetId)));
         Task.Run(() => InitOne(ref NoHostileNames, nameof(NoHostileNames)));
         Task.Run(() => InitOne(ref NoProvokeNames, nameof(NoProvokeNames)));
         Task.Run(() => InitOne(ref AnimationLockTime, nameof(AnimationLockTime)));
@@ -51,7 +51,7 @@ public static Task Save()
             await SavePriorityStatus();
             await SaveDangerousStatus();
             await SaveInvincibleStatus();
-            await SavePrioTargetNames();
+            await SavePrioTargetId();
             await SaveNoHostileNames();
             await SaveAnimationLockTime();
             await SaveHostileCastingArea();
@@ -159,9 +159,15 @@ public static Task SaveBeneficialPositions()
         return Task.Run(() => Save(BeneficialPositions, nameof(BeneficialPositions)));
     }
 
-    public static Task SavePrioTargetNames()
+    public static void ResetPrioTargetId()
     {
-        return Task.Run(() => Save(PrioTargetNames, nameof(PrioTargetNames)));
+        InitOne(ref PrioTargetId, nameof(PrioTargetId), true, true);
+        SaveHostileCastingKnockback().Wait();
+    }
+
+    public static Task SavePrioTargetId()
+    {
+        return Task.Run(() => Save(PrioTargetId, nameof(PrioTargetId)));
     }
 
     public static Task SaveNoHostileNames()
diff --git a/RotationSolver.Basic/DataCenter.cs b/RotationSolver.Basic/DataCenter.cs
index b2e84d374..dc8bff228 100644
--- a/RotationSolver.Basic/DataCenter.cs
+++ b/RotationSolver.Basic/DataCenter.cs
@@ -809,24 +809,16 @@ public static bool IsCastingAreaVfx()
 
     public static bool IsCastingVfx(Func<VfxNewData, bool> isVfx)
     {
-        if (isVfx == null) return false;
-        if (DataCenter.VfxDataQueue == null) return false;
+        // Create a copy of the VfxDataQueue to avoid modifying the collection while enumerating
+        var vfxDataQueueCopy = VfxDataQueue.ToList();
 
-        try
+        foreach (var vfx in vfxDataQueueCopy)
         {
-            foreach (var item in DataCenter.VfxDataQueue.OrderBy(v => v.TimeDuration))
+            if (isVfx(vfx))
             {
-                if (item.TimeDuration.TotalSeconds is > 1 and < 5)
-                {
-                    if (isVfx(item)) return true;
-                }
+                return true;
             }
         }
-        catch (Exception ex)
-        {
-            Svc.Log.Error(ex, "Exception in IsCastingVfx");
-        }
-
         return false;
     }
 
diff --git a/RotationSolver.Basic/Helpers/IActionHelper.cs b/RotationSolver.Basic/Helpers/IActionHelper.cs
index 6f1901ab4..4eb8f1937 100644
--- a/RotationSolver.Basic/Helpers/IActionHelper.cs
+++ b/RotationSolver.Basic/Helpers/IActionHelper.cs
@@ -85,6 +85,24 @@ internal static bool IsLastAction(params ActionID[] ids)
         return IsActionID(DataCenter.LastAction, ids);
     }
 
+    /// <summary>
+    /// Determines if the last action was a GCD.
+    /// </summary>
+    /// <returns>True if the last action was a GCD, otherwise false.</returns>
+    public static bool IsLastActionGCD()
+    {
+        return DataCenter.LastAction == DataCenter.LastGCD;
+    }
+
+    /// <summary>
+    /// Determines if the last action was an ability.
+    /// </summary>
+    /// <returns>True if the last action was an ability, otherwise false.</returns>
+    public static bool IsLastActionAbility()
+    {
+        return DataCenter.LastAction == DataCenter.LastAbility;
+    }
+
     /// <summary>
     /// Determines if the action is the same as any of the provided actions.
     /// </summary>
diff --git a/RotationSolver.Basic/Helpers/ObjectHelper.cs b/RotationSolver.Basic/Helpers/ObjectHelper.cs
index 6a3bc2e9c..12979cde4 100644
--- a/RotationSolver.Basic/Helpers/ObjectHelper.cs
+++ b/RotationSolver.Basic/Helpers/ObjectHelper.cs
@@ -310,16 +310,6 @@ internal static bool IsTopPriorityNamedHostile(this IGameObject obj)
     {
         if (obj == null) return false;
 
-        // Fetch prioritized target names
-        if (OtherConfiguration.PrioTargetNames.TryGetValue(Svc.ClientState.TerritoryType, out var prioTargetNames))
-        {
-            // If the target's name matches any prioritized names, it is attackable
-            if (obj is IBattleChara bpnc && prioTargetNames.Any(n => !string.IsNullOrEmpty(n) && new Regex(n).Match(bpnc.Name.TextValue).Success))
-            {
-                return true;
-            }
-        }
-
         if (obj is IBattleChara npc && DataCenter.PrioritizedNameIds.Contains(npc.NameId)) return true;
 
         return false;
@@ -348,7 +338,7 @@ internal static bool IsTopPriorityHostile(this IGameObject obj)
             if (b.StatusList != null && b.StatusList.Any(StatusHelper.IsPriority)) return true;
         }
 
-        if (Service.Config.ChooseAttackMark && MarkingHelper.GetAttackSignTargets().FirstOrDefault(id => id != 0) == (long)obj.GameObjectId) return true;
+        if (Service.Config.ChooseAttackMark && MarkingHelper.GetAttackSignTargets().FirstOrDefault(id => id != 0) == (long)obj.GameObjectId && obj.IsEnemy()) return true;
 
         // Fate
         if (Service.Config.TargetFatePriority && fateId != 0 && obj.FateId() == fateId) return true;
diff --git a/RotationSolver.Basic/Helpers/PriorityTargetHelper.cs b/RotationSolver.Basic/Helpers/PriorityTargetHelper.cs
index 7377615da..8d4c2e9bf 100644
--- a/RotationSolver.Basic/Helpers/PriorityTargetHelper.cs
+++ b/RotationSolver.Basic/Helpers/PriorityTargetHelper.cs
@@ -1,14 +1,16 @@
-namespace RotationSolver.Basic.Helpers
+using System.IO;
+using System.Text.Json;
+using JsonSerializer = System.Text.Json.JsonSerializer;
+using RotationSolver.Basic.Configuration;
+
+namespace RotationSolver.Basic.Helpers
 {
     internal class PriorityTargetHelper
     {
+        private static readonly string FilePath = "PriorityId.json";
+
         // List of OIDs (DataId)
-        private static readonly HashSet<uint> priorityOids = new HashSet<uint>
-        {
-            0x415E, // Crystalline Debris in D022Kahderyor
-            0x4642 // Raw Electrope in D09YuweyawataFieldStation
-            // Add more OIDs here
-        };
+        private static HashSet<uint> priorityOids = LoadPriorityOids();
 
         // Method to check if the given DataId is a priority target
         public static bool IsPriorityTarget(uint dataId)
@@ -22,7 +24,19 @@ public static void AddPriorityTarget(uint dataId)
             if (!priorityOids.Contains(dataId))
             {
                 priorityOids.Add(dataId);
+                OtherConfiguration.SavePrioTargetId();
+            }
+        }
+
+        // Method to load priority OIDs from JSON file
+        private static HashSet<uint> LoadPriorityOids()
+        {
+            if (File.Exists(FilePath))
+            {
+                var json = File.ReadAllText(FilePath);
+                return JsonSerializer.Deserialize<HashSet<uint>>(json) ?? new HashSet<uint>();
             }
+            return new HashSet<uint>();
         }
     }
-}
+}
\ No newline at end of file
diff --git a/RotationSolver.sln b/RotationSolver.sln
index 84642ec36..a37c776aa 100644
--- a/RotationSolver.sln
+++ b/RotationSolver.sln
@@ -6,14 +6,15 @@ MinimumVisualStudioVersion = 10.0.40219.1
 Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Solution Items", "Solution Items", "{8948C02A-914E-4A51-B1FE-2C608492EBF5}"
 	ProjectSection(SolutionItems) = preProject
 		.gitignore = .gitignore
+		Resources\AnimationLockTime.json = Resources\AnimationLockTime.json
 		Directory.Build.props = Directory.Build.props
-		Resources\IncompatiblePlugins.json = Resources\IncompatiblePlugins.json
 		Resources\HostileCastingArea.json = Resources\HostileCastingArea.json
 		Resources\HostileCastingKnockback.json = Resources\HostileCastingKnockback.json
 		Resources\HostileCastingTank.json = Resources\HostileCastingTank.json
-		Resources\AnimationLockTime.json = Resources\AnimationLockTime.json
+		Resources\IncompatiblePlugins.json = Resources\IncompatiblePlugins.json
 		manifest.json = manifest.json
 		.github\workflows\publish.yaml = .github\workflows\publish.yaml
+		PrioTargetId.json = PrioTargetId.json
 		UpdateDownloads.ts = UpdateDownloads.ts
 	EndProjectSection
 EndProject
@@ -29,7 +30,7 @@ Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "RotationSolver.GameData", "
 EndProject
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "RotationSolver.DummyRotations", "RotationSolver.DummyRotations\RotationSolver.DummyRotations.csproj", "{2C9BACA6-A791-478C-84BB-8A798123468A}"
 EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "RebornRotations", "BasicRotations\RebornRotations.csproj", "{054B46FA-5639-45A0-A5A1-4A8ED860DDC9}"
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "RebornRotations", "BasicRotations\RebornRotations.csproj", "{054B46FA-5639-45A0-A5A1-4A8ED860DDC9}"
 EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
diff --git a/RotationSolver/Data/UiString.cs b/RotationSolver/Data/UiString.cs
index e0ac8a501..8dbd913c5 100644
--- a/RotationSolver/Data/UiString.cs
+++ b/RotationSolver/Data/UiString.cs
@@ -274,9 +274,6 @@ internal enum UiString
         [Description("Add Action")]
         ConfigWindow_List_AddAction,
 
-        [Description("Prio Target")]
-        ConfigWindow_List_PrioTarget,
-
         [Description("Don't target")]
         ConfigWindow_List_NoHostile,
 
@@ -286,7 +283,7 @@ internal enum UiString
         [Description("Beneficial AoE locations")]
         ConfigWindow_List_BeneficialPositions,
 
-        [Description("Enemies that will be prioritized.")]
+        [Description("Enemies that will be prioritized. This system is under construction and experimental, but should be stable.")]
         ConfigWindow_List_PrioTargetDesc,
 
         [Description("Enemies that will never be targeted.")]
@@ -451,6 +448,9 @@ internal enum UiString
         [Description("Hostile")]
         ConfigWindow_List_Hostile,
 
+        [Description("Target Priority")]
+        ConfigWindow_List_TargetPriority,
+
         [Description("Enemy targeting logic. Adding more options cycles them when using /rotation Auto.\nUse /rotation Settings TargetingTypes add <option> to add,\n/rotation Settings TargetingTypes remove <option> to remove,\nand /rotation Settings TargetingTypes removeall to remove all options.")]
         ConfigWindow_Param_HostileDesc,
 
diff --git a/RotationSolver/UI/RotationConfigWindow.cs b/RotationSolver/UI/RotationConfigWindow.cs
index ca3b36f75..4f2a792f9 100644
--- a/RotationSolver/UI/RotationConfigWindow.cs
+++ b/RotationSolver/UI/RotationConfigWindow.cs
@@ -2363,9 +2363,6 @@ private static void DrawListTerritories()
             ImGui.TableNextColumn();
             ImGui.TableHeader(UiString.ConfigWindow_List_NoHostile.GetDescription());
 
-            ImGui.TableNextColumn();
-            ImGui.TableHeader(UiString.ConfigWindow_List_PrioTarget.GetDescription());
-
             ImGui.TableNextColumn();
             ImGui.TableHeader(UiString.ConfigWindow_List_NoProvoke.GetDescription());
 
@@ -2414,64 +2411,6 @@ private static void DrawListTerritories()
                 OtherConfiguration.SaveNoHostileNames();
             }
 
-
-
-
-            // Begin new column for Prioritized Target Names
-            ImGui.TableNextColumn();
-            ImGui.TextWrapped(UiString.ConfigWindow_List_PrioTargetDesc.GetDescription());
-
-            width = ImGui.GetColumnWidth() - ImGuiEx.CalcIconSize(FontAwesomeIcon.Ban).X - ImGui.GetStyle().ItemSpacing.X - 10 * Scale;
-
-            // Check if PrioritizedNames for the current territory exists
-            if (!OtherConfiguration.PrioTargetNames.TryGetValue(territoryId, out var prioNames))
-            {
-                // Initialize it as an empty list
-                OtherConfiguration.PrioTargetNames[territoryId] = prioNames = [];
-            }
-
-            // Add an empty entry if none exists
-            if (!prioNames.Any(string.IsNullOrEmpty))
-            {
-                OtherConfiguration.PrioTargetNames[territoryId] = [.. prioNames, string.Empty];
-            }
-
-            // Variable to track if we need to remove any entry
-            removeIndex = -1;
-
-            // Loop over each prioritized name to render input fields
-            for (int i = 0; i < prioNames.Length; i++)
-            {
-                ImGui.SetNextItemWidth(width);
-
-                // Render input field for prioritized name with a placeholder hint
-                if (ImGui.InputTextWithHint($"##Rotation Solver Prioritized Target Name {i}", UiString.ConfigWindow_List_PrioTargetName.GetDescription(), ref prioNames[i], 1024))
-                {
-                    // If input changes, update the list
-                    OtherConfiguration.PrioTargetNames[territoryId] = prioNames;
-                    OtherConfiguration.SavePrioTargetNames();
-                }
-                ImGui.SameLine();
-
-                // Render a button to remove a name
-                if (ImGuiEx.IconButton(FontAwesomeIcon.Ban, $"##Rotation Solver Remove Prioritized Target Name {i}"))
-                {
-                    removeIndex = i;
-                }
-            }
-
-            // If a remove button was clicked, remove the corresponding entry
-            if (removeIndex > -1)
-            {
-                var list = prioNames.ToList();
-                list.RemoveAt(removeIndex);
-                OtherConfiguration.PrioTargetNames[territoryId] = [.. list];
-                OtherConfiguration.SavePrioTargetNames();
-            }
-
-
-
-
             ImGui.TableNextColumn();
             ImGui.TextWrapped(UiString.ConfigWindow_List_NoProvokeDesc.GetDescription());
 
@@ -2844,6 +2783,8 @@ private static void DrawLastAction()
         DrawAction(DataCenter.LastAbility, nameof(DataCenter.LastAbility));
         DrawAction(DataCenter.LastGCD, nameof(DataCenter.LastGCD));
         DrawAction(DataCenter.LastComboAction, nameof(DataCenter.LastComboAction));
+        ImGui.Text($"IsLastActionAbility: {IActionHelper.IsLastActionAbility()}");
+        ImGui.Text($"IsLastActionGCD: {IActionHelper.IsLastActionGCD()}");
     }
 
     private static void DrawOthers()
diff --git a/RotationSolver/UI/RotationConfigWindow_Config.cs b/RotationSolver/UI/RotationConfigWindow_Config.cs
index 5a02e3037..85e9d6400 100644
--- a/RotationSolver/UI/RotationConfigWindow_Config.cs
+++ b/RotationSolver/UI/RotationConfigWindow_Config.cs
@@ -1,7 +1,9 @@
 using Dalamud.Game.ClientState.Keys;
 using Dalamud.Interface.Colors;
 using Dalamud.Interface.Utility.Raii;
+using ECommons.DalamudServices;
 using ECommons.ImGuiMethods;
+using Lumina.Excel.Sheets;
 using RotationSolver.Basic.Configuration;
 using RotationSolver.Basic.Configuration.Conditions;
 using RotationSolver.Data;
@@ -377,6 +379,7 @@ private static void DrawTarget()
 {
     { UiString.ConfigWindow_Target_Config.GetDescription, DrawTargetConfig },
     { UiString.ConfigWindow_List_Hostile.GetDescription, DrawTargetHostile },
+    { UiString.ConfigWindow_List_TargetPriority.GetDescription, DrawTargetPriority },
 });
 
     /// <summary>
@@ -438,6 +441,44 @@ void Down()
                 (Down, new[] { VirtualKey.DOWN }));
         }
     }
+
+    private static void DrawTargetPriority()
+    {
+        // Convert HashSet<uint> to string[] for ImGui input
+        var prioIdSet = OtherConfiguration.PrioTargetId;
+        string[] prioId = prioIdSet.Select(id => id.ToString()).ToArray();
+
+        // Begin new column for Prioritized Target Names
+        ImGui.TableNextColumn();
+        ImGui.TextWrapped(UiString.ConfigWindow_List_PrioTargetDesc.GetDescription());
+
+        // List all DataIds in the current list
+        ImGui.Text("Current Priority DataIds:");
+        foreach (var id in prioIdSet)
+        {
+            ImGui.Text(id.ToString());
+        }
+
+        ImGui.TableNextColumn();
+        if (ImGui.Button("Reset and Update Target Priority List"))
+        {
+            OtherConfiguration.ResetPrioTargetId();
+        }
+
+        // Render a button to add the DataId of the current target
+        if (ImGui.Button("Add Current Target"))
+        {
+            var currentTarget = Svc.Targets.Target;
+            if (currentTarget != null)
+            {
+                uint dataId = currentTarget.DataId;
+                PriorityTargetHelper.AddPriorityTarget(dataId);
+                prioIdSet.Add(dataId);
+                OtherConfiguration.PrioTargetId = prioIdSet;
+                OtherConfiguration.SavePrioTargetId();
+            }
+        }
+    }
     #endregion
 
     #region Extra
diff --git a/RotationSolver/Updaters/MajorUpdater.cs b/RotationSolver/Updaters/MajorUpdater.cs
index 5955e86f5..b82d16693 100644
--- a/RotationSolver/Updaters/MajorUpdater.cs
+++ b/RotationSolver/Updaters/MajorUpdater.cs
@@ -158,13 +158,12 @@ private static void UpdateWork()
             RSCommands.UpdateRotationState();
             HotbarHighlightManager.UpdateSettings();
 
-            List<VfxNewData> expiredVfx = new List<VfxNewData>();
-            foreach (var vfx in DataCenter.VfxDataQueue)
-            {
-                if (vfx.TimeDuration > TimeSpan.FromSeconds(30))
-                    expiredVfx.Add(vfx);
-            }
+            // Collect expired VfxNewData items
+            var expiredVfx = DataCenter.VfxDataQueue
+                .Where(vfx => vfx.TimeDuration > TimeSpan.FromSeconds(10))
+                .ToList();
 
+            // Remove expired VfxNewData items
             foreach (var vfx in expiredVfx)
             {
                 DataCenter.VfxDataQueue.Remove(vfx);