diff --git a/client/test/quest_definitions_client_test.gd b/client/test/quest_definitions_client_test.gd
index 47ffce5..b82fb45 100644
--- a/client/test/quest_definitions_client_test.gd
+++ b/client/test/quest_definitions_client_test.gd
@@ -92,7 +92,7 @@ func test_request_sync_emits_definitions_ready() -> void:
 	# Act
 	c.call("request_sync_from_server")
 	# Assert
-	await assert_signal(c).is_emitted("definitions_ready", any())
+	assert_signal(c).is_emitted("definitions_ready", any())
 	assert_that(_quests_capture.size()).is_equal(4)
 	assert_that(transport.last_url).contains("/quest-definitions")
 
diff --git a/server/NeonSprawl.Server/Game/Rewards/RewardRouterOperations.cs b/server/NeonSprawl.Server/Game/Rewards/RewardRouterOperations.cs
index bdfe747..c2f989b 100644
--- a/server/NeonSprawl.Server/Game/Rewards/RewardRouterOperations.cs
+++ b/server/NeonSprawl.Server/Game/Rewards/RewardRouterOperations.cs
@@ -18,6 +18,9 @@ public static class RewardRouterOperations
     private static readonly RewardItemGrantApplied[] EmptyItemGrants = [];
     private static readonly RewardSkillXpGrantApplied[] EmptySkillXpGrants = [];
     private static readonly RewardReputationGrantApplied[] EmptyReputationGrants = [];
+    private static readonly IReadOnlyList<RewardGrantRow> EmptyBundleItemGrantRows = [];
+    private static readonly IReadOnlyList<QuestSkillXpGrantRow> EmptyBundleSkillXpGrantRows = [];
+    private static readonly IReadOnlyList<ReputationGrantRow> EmptyBundleReputationGrantRows = [];
 
     /// <summary>
     /// Applies <paramref name="bundle"/> item, skill XP, and reputation rows for a quest completion and records
@@ -56,9 +59,9 @@ public static class RewardRouterOperations
             return SuccessFromEvent(existingEvent, RewardDeliveryReasonCodes.AlreadyDelivered);
         }
 
-        var itemGrants = bundle?.ItemGrants ?? [];
-        var skillGrants = bundle?.SkillXpGrants ?? [];
-        var reputationGrants = bundle?.ReputationGrants ?? [];
+        var itemGrants = bundle?.ItemGrants ?? EmptyBundleItemGrantRows;
+        var skillGrants = bundle?.SkillXpGrants ?? EmptyBundleSkillXpGrantRows;
+        var reputationGrants = bundle?.ReputationGrants ?? EmptyBundleReputationGrantRows;
         var idempotencyKey = RewardDeliveryIds.MakeIdempotencyKey(normalizedPlayerId, normalizedQuestId);
 
         if (itemGrants.Count > 0)