case USE_CHANGE_ATTRIBUTE :
    if (item2->GetAttributeSetIndex() == -1)
    {
        ChatPacket(CHAT_TYPE_INFO, LC_TEXT("¼Ó¼ºÀ» º¯°æÇÒ ¼ö ¾ø´Â ¾ÆÀÌÅÛÀÔ´Ï´Ù."));
        return false;
    }

    if (item2->GetAttributeCount() == 0)
    {
        ChatPacket(CHAT_TYPE_INFO, LC_TEXT("º¯°æÇÒ ¼Ó¼ºÀÌ ¾ø½À´Ï´Ù."));
        return false;
    }

    if (GM_PLAYER == GetGMLevel() && false == test_server)
    {
        DWORD dwChangeItemAttrCycle = quest::CQuestManager::instance().GetEventFlag(msc_szChangeItemAttrCycleFlag);
        if (dwChangeItemAttrCycle < msc_dwDefaultChangeItemAttrCycle)
            dwChangeItemAttrCycle = msc_dwDefaultChangeItemAttrCycle;
    }

    if (item->GetSubType() == USE_CHANGE_ATTRIBUTE2)
    {
        int aiChangeProb[ITEM_ATTRIBUTE_MAX_LEVEL] =
        {
            0, 0, 30, 40, 3
        };

        item2->ChangeAttribute(aiChangeProb);
    }
    else if (item->GetVnum() == 76014)
    {
        int aiChangeProb[ITEM_ATTRIBUTE_MAX_LEVEL] =
        {
            0, 10, 50, 39, 1
        };

        item2->ChangeAttribute(aiChangeProb);
    }

    else
    {
        // ¿¬Àç°æ Ư¼öó¸®
        // Àý´ë·Î ¿¬Àç°¡ Ãß°¡ ¾ÈµÉ°Å¶ó ÇÏ¿© Çϵå ÄÚµùÇÔ.
        if (item->GetVnum() == 71151 || item->GetVnum() == 76023)
        {
            if ((item2->GetType() == ITEM_WEAPON)
                || (item2->GetType() == ITEM_ARMOR && item2->GetSubType() == ARMOR_BODY))
            {
                bool bCanUse = true;
                for (int i = 0; i < ITEM_LIMIT_MAX_NUM; ++i)
                {
                    if (item2->GetLimitType(i) == LIMIT_LEVEL && item2->GetLimitValue(i) > 40)
                    {
                        bCanUse = false;
                        break;
                    }
                }
                if (false == bCanUse)
                {
                    ChatPacket(CHAT_TYPE_INFO, LC_TEXT("Àû¿ë ·¹º§º¸´Ù ³ô¾Æ »ç¿ëÀÌ ºÒ°¡´ÉÇÕ´Ï´Ù."));
                    break;
                }
            }
            else
            {
                ChatPacket(CHAT_TYPE_INFO, LC_TEXT("¹«±â¿Í °©¿Ê¿¡¸¸ »ç¿ë °¡´ÉÇÕ´Ï´Ù."));
                break;
            }
        }

        // Transform Costume
        if (item->GetVnum() == 70063)
        {
            if (item2->GetType() != ITEM_COSTUME)
            {
                ChatPacket(CHAT_TYPE_INFO, LC_TEXT("ITEM_ISNT_COSTUME"));
                return false;
            }
            if (item2->GetAttributeCount() < 3)
            {
                if (number(1, 100) < 30)
                {
                    while (item2->GetAttributeCount() < number(2, 3))
                        item2->AddAttribute();
                }
            }
        }
        // Enchant Costume
        if (item->GetVnum() == 70064)
        {
            if (item2->GetType() != ITEM_COSTUME)
            {
                ChatPacket(CHAT_TYPE_INFO, LC_TEXT("ITEM_ISNT_COSTUME"));
                return false;
            }
        }
        item2->ChangeAttribute();
    }

    ChatPacket(CHAT_TYPE_INFO, LC_TEXT("¼Ó¼ºÀ» º¯°æÇÏ¿´½À´Ï´Ù."));
    {
        char buf[21];
        snprintf(buf, sizeof(buf), "%u", item2->GetID());
        LogManager::instance().ItemLog(this, item, "CHANGE_ATTRIBUTE", buf);
    }

    item->SetCount(item->GetCount() - 1);
    break;