diff --git a/Anvil/RecipeData/AnvilRecipe.cs b/Anvil/RecipeData/AnvilRecipe.cs
index eeffeae..9c44c85 100644
--- a/Anvil/RecipeData/AnvilRecipe.cs
+++ b/Anvil/RecipeData/AnvilRecipe.cs
@@ -16,6 +16,14 @@ public sealed record AnvilRecipe
     public required byte OutputAmount { get; init; }
     public required uint ClassJobId { get; init; }
     public required ushort RecipeLevel { get; init; }
+
+    // Character-level equivalent of the recipe's difficulty (e.g. 90 for an
+    // Endwalker 3-star, 100 for a Dawntrail endgame recipe). Not the same as
+    // RecipeLevel above - that field is the RecipeLevelTable row id, this one
+    // is its ClassJobLevel column. Module 02 uses it for the mod-penalty
+    // branch in BaseProgress and BaseQuality.
+    public required byte RecipeLevelTableClassJobLevel { get; init; }
+
     public required int Difficulty { get; init; }
     public required int QualityMax { get; init; }
     public required byte Durability { get; init; }
diff --git a/Anvil/RecipeData/Internal/LuminaRecipeAdapter.cs b/Anvil/RecipeData/Internal/LuminaRecipeAdapter.cs
index 181799e..aa74530 100644
--- a/Anvil/RecipeData/Internal/LuminaRecipeAdapter.cs
+++ b/Anvil/RecipeData/Internal/LuminaRecipeAdapter.cs
@@ -568,6 +568,7 @@ internal sealed class LuminaRecipeAdapter
                 OutputAmount = recipe.AmountResult,
                 ClassJobId = classJobId,
                 RecipeLevel = (ushort)recipe.RecipeLevelTable.RowId,
+                RecipeLevelTableClassJobLevel = levelTable.ClassJobLevel,
                 Difficulty = difficulty,
                 QualityMax = qualityMax,
                 Durability = durability,
diff --git a/Anvil/SelfTest/RecipeDataAdapterLoadStep.cs b/Anvil/SelfTest/RecipeDataAdapterLoadStep.cs
index e2603c6..2763263 100644
--- a/Anvil/SelfTest/RecipeDataAdapterLoadStep.cs
+++ b/Anvil/SelfTest/RecipeDataAdapterLoadStep.cs
@@ -144,7 +144,20 @@ internal sealed class RecipeDataAdapterLoadStep : ISelfTestStep
             }
         }
 
-        // #9: Cosmic-surface sanity. v0.1.0 ships with SH-15 option B (all
+        // #9: RecipeLevelTableClassJobLevel sanity. At least one recipe must
+        // resolve a positive value from RecipeLevelTable.ClassJobLevel - if
+        // every recipe shows zero the adapter never walked the second sheet,
+        // which would silently break the simulator's mod-penalty branch.
+        if (!_catalog.RecipesById.Values.Any(r => r.RecipeLevelTableClassJobLevel > 0))
+        {
+            _logger.LogError(
+                "RecipeDataCatalog.RecipesById has no recipe with "
+                    + "RecipeLevelTableClassJobLevel > 0; RecipeLevelTable walk failed."
+            );
+            failures++;
+        }
+
+        // #10: Cosmic-surface sanity. v0.1.0 ships with SH-15 option B (all
         // MissionHas* flags forced false), so the WARN is expected whenever
         // any Cosmic recipe is in the catalog. The step still returns Pass
         // because the catalog itself is not broken - the Cosmic sub-surface