diff --git a/Content.Server/Speech/EntitySystems/LizardAccentSystem.cs b/Content.Server/Speech/EntitySystems/LizardAccentSystem.cs
index 7f2736975fd..cdf7bc4f111 100644
--- a/Content.Server/Speech/EntitySystems/LizardAccentSystem.cs
+++ b/Content.Server/Speech/EntitySystems/LizardAccentSystem.cs
@@ -2,12 +2,17 @@
 
 using System.Text.RegularExpressions;
 using Content.Server.Speech.Components;
+using Robust.Shared.Random;
 using Content.Shared.Speech;
 
+#pragma warning disable RA0026
+
 namespace Content.Server.Speech.EntitySystems;
 
 public sealed class LizardAccentSystem : EntitySystem
 {
+    [Dependency] private readonly IRobustRandom _random = default!; // Arcane: Localization
+
     private static readonly Regex RegexLowerS = new("s+");
     private static readonly Regex RegexUpperS = new("S+");
     private static readonly Regex RegexInternalX = new(@"(\w)x");
@@ -35,6 +40,56 @@ private void OnAccent(EntityUid uid, LizardAccentComponent component, AccentGetE
         // eckS
         message = RegexUpperEndX.Replace(message, "ECKS$1");
 
+        // Arcane-Start: Localization
+        // c => ссс
+        message = Regex.Replace(
+            message,
+            "с+",
+            _random.Pick(new List<string>() { "сс", "ссс" })
+        );
+        // С => CCC
+        message = Regex.Replace(
+            message,
+            "С+",
+            _random.Pick(new List<string>() { "СС", "ССС" })
+        );
+        // з => ссс
+        message = Regex.Replace(
+            message,
+            "з+",
+            _random.Pick(new List<string>() { "сс", "ссс" })
+        );
+        // З => CCC
+        message = Regex.Replace(
+            message,
+            "З+",
+            _random.Pick(new List<string>() { "СС", "ССС" })
+        );
+        // ш => шшш
+        message = Regex.Replace(
+            message,
+            "ш+",
+            _random.Pick(new List<string>() { "шш", "шшш" })
+        );
+        // Ш => ШШШ
+        message = Regex.Replace(
+            message,
+            "Ш+",
+            _random.Pick(new List<string>() { "ШШ", "ШШШ" })
+        );
+        // ч => щщщ
+        message = Regex.Replace(
+            message,
+            "ч+",
+            _random.Pick(new List<string>() { "щщ", "щщщ" })
+        );
+        // Ч => ЩЩЩ
+        message = Regex.Replace(
+            message,
+            "Ч+",
+            _random.Pick(new List<string>() { "ЩЩ", "ЩЩЩ" })
+        );
+        // Arcane-End
         args.Message = message;
     }
-}
\ No newline at end of file
+}
diff --git a/Content.Server/Speech/EntitySystems/StutteringSystem.cs b/Content.Server/Speech/EntitySystems/StutteringSystem.cs
index a730727cf17..a89caf5cd02 100644
--- a/Content.Server/Speech/EntitySystems/StutteringSystem.cs
+++ b/Content.Server/Speech/EntitySystems/StutteringSystem.cs
@@ -16,7 +16,7 @@ public sealed class StutteringSystem : SharedStutteringSystem
         [Dependency] private readonly IRobustRandom _random = default!;
 
         // Regex of characters to stutter.
-        private static readonly Regex Stutter = new(@"[b-df-hj-np-tv-wxyz]",
+        private static readonly Regex Stutter = new(@"[b-df-hj-np-tv-wxyz-б-вд-к-лмн-прст]", // Arcane-Edit
             RegexOptions.Compiled | RegexOptions.IgnoreCase);
 
         public override void Initialize()