diff --git a/BuildItems.cpp b/BuildItems.cpp
index 6be500f..842111b 100644
--- a/BuildItems.cpp
+++ b/BuildItems.cpp
@@ -85,7 +85,8 @@ PkmnLib::Library::ItemLibrary* BuildItems::Build(const std::string& path) {
                             break;
                         case json::value_t ::string: {
                             auto s = p.get<std::string>();
-                            parameters.Append(new CreatureLib::Library::EffectParameter(ArbUt::StringView(s.c_str(), s.length())));
+                            parameters.Append(
+                                new CreatureLib::Library::EffectParameter(ArbUt::StringView(s.c_str(), s.length())));
                             break;
                         }
                         default: continue;
@@ -96,9 +97,44 @@ PkmnLib::Library::ItemLibrary* BuildItems::Build(const std::string& path) {
                 100, ArbUt::StringView(effectName.get<std::string>().c_str()), parameters);
         }
 
+        CreatureLib::Library::SecondaryEffect* battleEffect = nullptr;
+        auto& battleEffectJson = val["battleEffect"];
+        if (battleEffectJson != nullptr) {
+            auto& effectName = battleEffectJson["name"];
+            auto& parametersJson = battleEffectJson["parameters"];
+            ArbUt::List<CreatureLib::Library::EffectParameter*> parameters;
+            if (parametersJson != nullptr) {
+                for (auto& kv : parametersJson.items()) {
+                    auto& p = kv.value();
+                    auto t = p.type();
+                    switch (t) {
+                        case json::value_t::boolean:
+                            parameters.Append(new CreatureLib::Library::EffectParameter(p.get<bool>()));
+                            break;
+                        case json::value_t::number_integer:
+                        case json::value_t::number_unsigned:
+                            parameters.Append(new CreatureLib::Library::EffectParameter(p.get<int64_t>()));
+                            break;
+                        case json::value_t::number_float:
+                            parameters.Append(new CreatureLib::Library::EffectParameter(p.get<float>()));
+                            break;
+                        case json::value_t ::string: {
+                            auto s = p.get<std::string>();
+                            parameters.Append(
+                                new CreatureLib::Library::EffectParameter(ArbUt::StringView(s.c_str(), s.length())));
+                            break;
+                        }
+                        default: continue;
+                    }
+                }
+            }
+            battleEffect = new CreatureLib::Library::SecondaryEffect(
+                100, ArbUt::StringView(effectName.get<std::string>().c_str()), parameters);
+        }
+
         auto item = new PkmnLib::Library::Item(ArbUt::StringView(_name.get<std::string>().c_str()), itemType,
                                                CreatureLib::Library::BattleItemCategory::None, _price.get<int32_t>(),
-                                               effect, flags, _flingPower.get<uint8_t>());
+                                               effect, battleEffect, flags, _flingPower.get<uint8_t>());
         lib->Insert(item->GetName(), item);
     }
     return lib;