I have no clue if this works

AscNet.GameServer/Commands/LevelCommand.cs

@@ -0,0 +1,37 @@
+using AscNet.Common.Util;
+using AscNet.Table.V2.share.player;
+
+namespace AscNet.GameServer.Commands
+{
+    [CommandName("level")]
+    internal class LevelCommand : Command
+    {
+        public LevelCommand(Session session, string[] args, bool validate = true) : base(session, args, validate) { }
+
+        public override string Help => "Command to change the Commandant level";
+
+        [Argument(0, @"^[0-9]+$|^max$", "The target level, value is number or 'max'")]
+        string Level { get; set; } = string.Empty;
+
+        public override void Execute()
+        {
+            int maxLevel = TableReaderV2.Parse<PlayerTable>().Count;
+            int level = Miscs.ParseIntOr(Level);
+
+            if (Level == "max")
+            {
+                session.player.PlayerData.Level = maxLevel;
+                session.ExpSanityCheck();
+            }
+            else if (level > 0)
+            {
+                session.player.PlayerData.Level = level;
+                session.ExpSanityCheck();
+            }
+            else
+            {
+                throw new ArgumentException("Invalid Level!");
+            }
+        }
+    }
+}