diff --git a/Robust.Packaging/AssetProcessing/Passes/AssetPassPackRsis.cs b/Robust.Packaging/AssetProcessing/Passes/AssetPassPackRsis.cs
index 3c99a0bdd3f..a517b05e5c7 100644
--- a/Robust.Packaging/AssetProcessing/Passes/AssetPassPackRsis.cs
+++ b/Robust.Packaging/AssetProcessing/Passes/AssetPassPackRsis.cs
@@ -18,7 +18,6 @@ public sealed class AssetPassPackRsis : AssetPass
 
     private static readonly Regex RegexMetaJson = new(@"^(.+)\.rsi/meta\.json$");
     private static readonly Regex RegexPng = new(@"^(.+)\.rsi/(.+)\.png$");
-    private static readonly object ConsoleLock = new object();
 
     private readonly Configuration _imageConfiguration;
 
@@ -48,18 +47,14 @@ protected override AssetFileAcceptResult AcceptFile(AssetFile file)
 
         // .rsi/*.png
         var matchPng = RegexPng.Match(file.Path);
-        if (matchPng.Success)
+        if (!matchPng.Success) return AssetFileAcceptResult.Pass;
+        lock (_foundRsis)
         {
-            lock (_foundRsis)
-            {
-                var dat = _foundRsis.GetOrNew(matchPng.Groups[1].Value);
-                dat.StatesFound[matchPng.Groups[2].Value] = file; //overwrite
-
-                return AssetFileAcceptResult.Consumed;
-            }
+            var dat = _foundRsis.GetOrNew(matchPng.Groups[1].Value);
+            if (dat.StatesFound.TryAdd(matchPng.Groups[2].Value, file)) return AssetFileAcceptResult.Consumed;
+            dat.StatesFound[matchPng.Groups[2].Value] = file;
+            return AssetFileAcceptResult.Consumed;
         }
-
-        return AssetFileAcceptResult.Pass;
     }
 
     protected override void AcceptFinished()
@@ -121,10 +116,7 @@ private void SkipRsiPack(RsiDat dat)
             sheet.Metadata.GetPngMetadata().TextData.Add(new PngTextData(RsiLoading.RsicPngField, metaJson, "", ""));
             sheet.SaveAsPng(ms);
 
-            lock (ConsoleLock)
-            {
-                Logger?.Verbose($"Done packing {rsiPath}");
-            }
+            Logger?.Verbose($"Done packing {rsiPath}");
 
             return new AssetFileMemory($"{rsiPath}c", ms.ToArray());
         }
diff --git a/Robust.Packaging/RobustServerPackaging.cs b/Robust.Packaging/RobustServerPackaging.cs
index 33689349dab..821842ec068 100644
--- a/Robust.Packaging/RobustServerPackaging.cs
+++ b/Robust.Packaging/RobustServerPackaging.cs
@@ -28,11 +28,12 @@ public static async Task WriteServerResources(
         CancellationToken cancel = default)
     {
         var ignoreSet = ServerIgnoresResources.Union(RobustSharedPackaging.SharedIgnoredResources).ToHashSet();
+        var sharedIgnoreSet = ignoreSet.Union(additionalIgnoredResources).ToHashSet();
 
         await RobustSharedPackaging.DoResourceCopy(
             Path.Combine(contentDir, "Resources"),
             pass,
-            ignoreSet.Union(additionalIgnoredResources).ToHashSet(),
+            sharedIgnoreSet,
             cancel: cancel);
 
         await RobustSharedPackaging.DoResourceCopy(
@@ -41,6 +42,6 @@ await RobustSharedPackaging.DoResourceCopy(
             ignoreSet,
             cancel: cancel);
 
-        await RobustSharedPackaging.DoModularResourceCopy(contentDir, pass, ignoreSet.Union(additionalIgnoredResources).ToHashSet(), cancel);
+        await RobustSharedPackaging.DoModularResourceCopy(contentDir, pass, sharedIgnoreSet, cancel);
     }
 }
diff --git a/Robust.Packaging/RobustSharedPackaging.cs b/Robust.Packaging/RobustSharedPackaging.cs
index 4b35edcb7f2..c7c023074d7 100644
--- a/Robust.Packaging/RobustSharedPackaging.cs
+++ b/Robust.Packaging/RobustSharedPackaging.cs
@@ -89,14 +89,17 @@ public static Task DoModularResourceCopy(
         HashSet<string> ignoreSet,
         CancellationToken cancel = default)
     {
-        var dirs = Directory.GetDirectories(Path.Combine(contentDir, "Modules"));
-        foreach (var dir in dirs)
-        {
-            var resourcesPath = Path.Combine(dir, "Resources");
-            if (!Directory.Exists(resourcesPath))
-                continue;
-            DoResourceCopy(resourcesPath, pass, ignoreSet, "", cancel);
-        }
+        var modulePath = Path.Combine(contentDir, "Modules");
+        if (!Directory.Exists(modulePath))
+            return Task.CompletedTask;
+        Parallel.ForEach(Directory.GetDirectories(modulePath),
+            dir=>
+            {
+                var resourcesPath = Path.Combine(dir, "Resources");
+                if (!Directory.Exists(resourcesPath))
+                    return;
+                DoResourceCopy(resourcesPath, pass, ignoreSet, "", cancel);
+            });
         return Task.CompletedTask;
     }