diff --git a/Source/Utility/JsonCppLoader.cpp b/Source/Utility/JsonCppLoader.cpp
index a7a7479c1..c10625f14 100644
--- a/Source/Utility/JsonCppLoader.cpp
+++ b/Source/Utility/JsonCppLoader.cpp
@@ -44,3 +44,100 @@ bool JsonCppLoader::GetMapStringBoolValue(const JsonValue& node, const std::stri
 
   return true;
 }
+
+// OFFSET: 0x00508570
+// FUNCTION: fn_00886
+bool JsonCppLoader::GetIntValue(const JsonValue& node, const std::string& key, int* out) {
+  JsonValue value;
+  this->GetValue(value, key, node, JsonValue::INT64_VALUE);
+  if (value.IsNull()) {
+    this->Fail("key 에 해당하는 데이터를 찾지 못했습니다. (keyName : %s)", key.c_str());
+    return false;
+  }
+
+  *out = value.AsInt();
+  return true;
+}
+
+// OFFSET: 0x005086D0
+// FUNCTION: fn_00887
+bool JsonCppLoader::GetStringValue(const JsonValue& node, const std::string& key, std::string* out) {
+  JsonValue value;
+  this->GetValue(value, key, node, JsonValue::STRING_VALUE);
+  if (value.IsNull()) {
+    this->Fail("key 에 해당하는 데이터를 찾지 못했습니다. (keyName : %s)", key.c_str());
+    return false;
+  }
+
+  *out = value.AsString();
+  return true;
+}
+
+// OFFSET: 0x005087D0
+// FUNCTION: fn_00888
+bool JsonCppLoader::GetMapStringIntValue(const JsonValue& node, const std::string& key, std::map<std::string, int>* out) {
+  JsonValue value;
+  this->GetValue(value, key, node, JsonValue::OBJECT_VALUE);
+  if (value.IsNull()) {
+    this->Fail("key 에 해당하는 데이터를 찾지 못했습니다. (keyName : %s)", key.c_str());
+    return false;
+  }
+
+  const JsonObject& members = value.GetObject();
+  for (JsonObject::const_iterator member = members.begin(); member != members.end(); ++member) {
+    std::string name = member->first;
+    JsonValue element = member->second;
+    if (element.GetType() != JsonValue::INT64_VALUE) {
+      this->Fail("잘못된 데이터가 입력되었습니다. intValue 가 입력되어야 합니다. (keyName : %s)", key.c_str());
+      return false;
+    }
+
+    if (!out->insert(std::make_pair(name, element.AsInt())).second) {
+      this->Fail("중복키가 입력되었습니다. (keyName : %s)", key.c_str());
+      return false;
+    }
+  }
+
+  return true;
+}
+
+// OFFSET: 0x00508BD0
+
+// OFFSET: 0x00509130
+
+// OFFSET: 0x00509D40
+// FUNCTION: fn_00892
+bool JsonCppLoader::GetIntVectorValue(const JsonValue& node, const std::string& key, std::vector<int>* out) {
+  JsonValue value;
+  this->GetValue(value, key, node, JsonValue::ARRAY_VALUE);
+  if (value.IsNull()) {
+    this->Fail("key 에 해당하는 데이터를 찾지 못했습니다. (keyName : %s)", key.c_str());
+    return false;
+  }
+
+  const JsonArray& items = value.ArrayRange();
+  for (JsonArray::const_iterator item = items.begin(); item != items.end(); ++item) {
+    if (item->GetType() != JsonValue::INT64_VALUE) {
+      this->Fail("잘못된 데이터가 입력되었습니다. intValue 가 입력되어야 합니다. (keyName : %s)", key.c_str());
+      return false;
+    }
+
+    out->push_back(item->AsInt());
+  }
+
+  return true;
+}
+
+// OFFSET: 0x00509F70
+// FUNCTION: fn_00893
+bool JsonCppLoader::GetBoolValue(const JsonValue& node, const std::string& key, bool* out) {
+  JsonValue value;
+  this->GetValue(value, key, node, JsonValue::BOOL_VALUE);
+  if (value.IsNull()) {
+    this->Fail("key 에 해당하는 데이터를 찾지 못했습니다. (keyName : %s)", key.c_str());
+    return false;
+  }
+
+  *out = value.AsBool();
+  return true;
+}
diff --git a/Source/Utility/JsonCppLoader.h b/Source/Utility/JsonCppLoader.h
index e8a3fe38b..73bf3d1f7 100644
--- a/Source/Utility/JsonCppLoader.h
+++ b/Source/Utility/JsonCppLoader.h
@@ -42,6 +42,7 @@ public:
   std::string AsString() const;
   const JsonObject& GetObject() const;
   const JsonArray& GetArray() const;
+  const JsonArray& ArrayRange() const;
 
   /* 0000 */ unsigned char type;
   /* 0001 */ unsigned char unknown_0001;
@@ -157,12 +158,27 @@ inline const JsonArray& JsonValue::GetArray() const {
   return *static_cast<const JsonArray*>(this->Dereference()->pointer);
 }
 
+inline const JsonArray& JsonValue::ArrayRange() const {
+  if ((this->type & 0x0f) != 9) {
+    throw std::domain_error("Not an array");
+  }
+
+  return *static_cast<const JsonArray*>(this->pointer);
+}
+
 class JsonCppLoader {
 public:
   JsonValue& GetValue(JsonValue& out, const std::string& key, const JsonValue& node, int expectedType);
   void Fail(const char* format, ...);
 
+  bool GetIntValue(const JsonValue& node, const std::string& key, int* out);
+  bool GetStringValue(const JsonValue& node, const std::string& key, std::string* out);
+  bool GetMapStringIntValue(const JsonValue& node, const std::string& key, std::map<std::string, int>* out);
+  bool GetMapStringStringValue(const JsonValue& node, const std::string& key, std::map<std::string, std::string>* out);
+  bool GetMapStringIntVectorValue(const JsonValue& node, const std::string& key, std::map<std::string, std::vector<int> >* out);
   bool GetMapStringBoolValue(const JsonValue& node, const std::string& key, std::map<std::string, bool>* out);
+  bool GetIntVectorValue(const JsonValue& node, const std::string& key, std::vector<int>* out);
+  bool GetBoolValue(const JsonValue& node, const std::string& key, bool* out);
   bool sub_4F3C70(std::vector<unsigned char>& buffer, bool bson);
   bool sub_50C2A0(std::map<std::string, EZ2STREffectRecord>* out);
   bool sub_50AE30(std::map<int, ReputeGroupRecord>* out);