diff --git a/03-Heavensward/Trials/Nidhogg.cs b/03-Heavensward/Trials/Nidhogg.cs
new file mode 100644
index 0000000..ca0fc90
--- /dev/null
+++ b/03-Heavensward/Trials/Nidhogg.cs
@@ -0,0 +1,208 @@
+using System;
+using System.ComponentModel;
+using System.Linq;
+using System.Numerics;
+using System.Collections.Generic;
+// using Dalamud.Game.ClientState.Objects.Subkinds;
+// using Dalamud.Game.ClientState.Objects.Types;
+using Newtonsoft.Json;
+using Dalamud.Utility.Numerics;
+using KodakkuAssist.Script;
+using KodakkuAssist.Module.GameEvent;
+using KodakkuAssist.Module.Draw;
+using KodakkuAssist.Data;
+using KodakkuAssist.Extensions;
+using ECommons;
+using ECommons.DalamudServices;
+using ECommons.GameFunctions;
+using ECommons.MathHelpers;
+using System.Threading.Tasks;
+
+namespace Nidhogg;
+
+[ScriptType(guid: "dcfdb19e-0357-4214-b64e-205100f55822", name: "尼德霍格征龙战", territorys: [559],
+    version: "0.0.0.1", author: "Tetora", note: noteStr)]
+
+public class Nidhogg
+{
+    const string noteStr =
+        """
+        v0.0.0.1:
+        LV60 尼德霍格征龙战 初版绘制
+        """;
+    
+    [UserSetting("TTS开关（TTS请二选一开启）")]
+    public bool isTTS { get; set; } = false;
+    
+    [UserSetting("EdgeTTS开关（TTS请二选一开启）")]
+    public bool isEdgeTTS { get; set; } = true;
+    
+    [UserSetting("弹窗文本提示开关")]
+    public bool isText { get; set; } = true;
+    
+    
+    [ScriptMethod(name: "Imgui - 恐惧咆哮（脚底黑圈）", eventType: EventTypeEnum.StartCasting, eventCondition: ["ActionId:6302"])]
+    public void 恐惧咆哮(Event @event, ScriptAccessory accessory)
+    {
+        var dp = accessory.Data.GetDefaultDrawProperties();
+        dp.Name = "恐惧咆哮";
+        dp.Color = accessory.Data.DefaultDangerColor;
+        dp.Owner = @event.SourceId();
+        dp.Scale = new Vector2(6f);
+        dp.DestoryAt = 3200;
+        accessory.Method.SendDraw(DrawModeEnum.Imgui, DrawTypeEnum.Circle, dp);
+    }
+    
+    [ScriptMethod(name: "暗影变种龙_撕裂利爪（动作小怪顺劈）", eventType: EventTypeEnum.StartCasting, eventCondition: ["ActionId:6307"])]
+    public void 撕裂利爪(Event @event, ScriptAccessory accessory)
+    {
+        var dp = accessory.Data.GetDefaultDrawProperties();
+        dp.Name = "撕裂利爪";
+        dp.Color = accessory.Data.DefaultDangerColor;
+        dp.Owner = @event.SourceId();
+        dp.Scale = new Vector2(8.4f);
+        dp.Radian = 120f.DegToRad();
+        dp.DestoryAt = 3200;
+        accessory.Method.SendDraw(DrawModeEnum.Default, DrawTypeEnum.Fan, dp); 
+    }
+    
+    [ScriptMethod(name: "死亡轮回（连续分摊）", eventType: EventTypeEnum.StartCasting, eventCondition: ["ActionId:6315"])]
+    public void 死亡轮回(Event @event, ScriptAccessory accessory)
+    {
+        var dp = accessory.Data.GetDefaultDrawProperties();
+        dp.Name = "死亡轮回";
+        dp.Color = accessory.Data.DefaultSafeColor;
+        dp.Owner = @event.TargetId();
+        dp.Scale = new Vector2(6f);
+        dp.DestoryAt = 9400;
+        accessory.Method.SendDraw(DrawModeEnum.Default, DrawTypeEnum.Circle, dp);
+    }
+    
+    [ScriptMethod(name: "猩红之珠_烈焰十字爆（十字火）", eventType: EventTypeEnum.StartCasting, eventCondition: ["ActionId:6317"])]
+    public void 烈焰十字爆(Event @event, ScriptAccessory accessory)
+    {
+        // 在 烈焰十字爆 读条的前一点点，猩红之珠 会对自身读条 6074，读条结束后尼德霍格会释放 6302 恐惧咆哮
+        var dp = accessory.Data.GetDefaultDrawProperties();
+        dp.Name = "烈焰十字爆";
+        dp.Scale = new (18, 50f);
+        dp.Owner = @event.SourceId();
+        dp.Color = accessory.Data.DefaultDangerColor.WithW(0.8f);
+        dp.DestoryAt = 10200;
+        accessory.Method.SendDraw(DrawModeEnum.Default, DrawTypeEnum.Rect, dp);  
+    }
+    
+}
+
+public static class EventExtensions
+{
+    private static bool ParseHexId(string? idStr, out uint id)
+    {
+        id = 0;
+        if (string.IsNullOrEmpty(idStr)) return false;
+        try
+        {
+            var idStr2 = idStr.Replace("0x", "");
+            id = uint.Parse(idStr2, System.Globalization.NumberStyles.HexNumber);
+            return true;
+        }
+        catch (Exception)
+        {
+            return false;
+        }
+    }
+
+    public static uint ActionId(this Event @event)
+    {
+        return JsonConvert.DeserializeObject<uint>(@event["ActionId"]);
+    }
+
+    public static uint SourceId(this Event @event)
+    {
+        return ParseHexId(@event["SourceId"], out var id) ? id : 0;
+    }
+
+    public static uint SourceDataId(this Event @event)
+    {
+        return JsonConvert.DeserializeObject<uint>(@event["SourceDataId"]);
+    }
+
+    public static uint Command(this Event @event)
+    {
+        return ParseHexId(@event["Command"], out var cid) ? cid : 0;
+    }
+    
+    public static uint DurationMilliseconds(this Event @event)
+    {
+        return JsonConvert.DeserializeObject<uint>(@event["DurationMilliseconds"]);
+    }
+
+    public static float SourceRotation(this Event @event)
+    {
+        return JsonConvert.DeserializeObject<float>(@event["SourceRotation"]);
+    }
+
+    public static float TargetRotation(this Event @event)
+    {
+        return JsonConvert.DeserializeObject<float>(@event["TargetRotation"]);
+    }
+
+    public static byte Index(this Event @event)
+    {
+        return (byte)(ParseHexId(@event["Index"], out var index) ? index : 0);
+    }
+
+    public static uint State(this Event @event)
+    {
+        return ParseHexId(@event["State"], out var state) ? state : 0;
+    }
+
+    public static string SourceName(this Event @event)
+    {
+        return @event["SourceName"];
+    }
+
+    public static string TargetName(this Event @event)
+    {
+        return @event["TargetName"];
+    }
+
+    public static uint TargetId(this Event @event)
+    {
+        return ParseHexId(@event["TargetId"], out var id) ? id : 0;
+    }
+
+    public static Vector3 SourcePosition(this Event @event)
+    {
+        return JsonConvert.DeserializeObject<Vector3>(@event["SourcePosition"]);
+    }
+
+    public static Vector3 TargetPosition(this Event @event)
+    {
+        return JsonConvert.DeserializeObject<Vector3>(@event["TargetPosition"]);
+    }
+
+    public static Vector3 EffectPosition(this Event @event)
+    {
+        return JsonConvert.DeserializeObject<Vector3>(@event["EffectPosition"]);
+    }
+
+    public static uint DirectorId(this Event @event)
+    {
+        return ParseHexId(@event["DirectorId"], out var id) ? id : 0;
+    }
+
+    public static uint StatusId(this Event @event)
+    {
+        return JsonConvert.DeserializeObject<uint>(@event["StatusId"]);
+    }
+
+    public static uint StackCount(this Event @event)
+    {
+        return JsonConvert.DeserializeObject<uint>(@event["StackCount"]);
+    }
+
+    public static uint Param(this Event @event)
+    {
+        return JsonConvert.DeserializeObject<uint>(@event["Param"]);
+    }
+}
\ No newline at end of file