Respect =)

But here is a Fixxed Version =)



PHP Code:
class honorable_kills_shop : public CreatureScript
{
public:
    honorable_kills_shop() : CreatureScript("hk_kills_shop") { }


    bool OnGossipHello(Player* player, Creature* creature)
    {
        player->ADD_GOSSIP_ITEM(4, "[500 Lifetime Kills are required in order to view my goods. Make sure you have it, or you won't be able to view nor purchase anything.]", GOSSIP_SENDER_MAIN, 1001); //first menu option - a note for what this creature is
        player->ADD_GOSSIP_ITEM(4, "[500 Kills] Show me what you got!", GOSSIP_SENDER_MAIN, 1002); //second option, click to send to the vendor (if he has 500 Kills)
        player->SEND_GOSSIP_MENU(1, creature->GetGUID()); // This sends the menu to the player
        return true;
    }


    bool OnGossipSelect(Player* player, Creature* pCreature, uint32 /*uiSender*/, uint32 action)
    {
        player->PlayerTalkClass->ClearMenus();
        switch (action)
        {
            ///////////START ACTIONS//////////////////
        case 1001:
            player->CLOSE_GOSSIP_MENU();
            break;
        


        case 1002:
            if (player->GetUInt32Value(PLAYER_FIELD_LIFETIME_HONORABLE_KILLS) >= 500)
            {
                player->GetSession()->SendListInventory(pCreature->GetGUID()), //send to the vendor himself. add items via .npc add item command
                pCreature->Whisper("You have 500 kills or more, therefore you can view my goods.", LANG_UNIVERSAL, player, true); //if the player has 500 Kills, send this message when 
            }
            else
            {
                pCreature->Whisper("You do not have 500 kills or more, therefore I cannot allow you to check my store. Sorry.", LANG_UNIVERSAL, player, true), player->CLOSE_GOSSIP_MENU(); //send this "error" message and close everything
            }
            break;
    }
        return true;
    }
};


void AddSC_Honorable_Kills_Shop()
{
    new honorable_kills_shop();
}