enum Myngvar
{
    NPC_MISTCALLER_YNGVAR    = 34965,
    QUEST_MISTCALLER_YNGVAR  = 14102,
    GO_HEART_OF_THE_MISTS    = 49678
};

class item_mistcaller_yngvar : public ItemScript
{
public:
    item_mistcaller_yngvar() : ItemScript("item_mistcaller_yngvar") { }

    bool OnUse(Player* player, GameObject* heartofthemists, Item* /*item*/, SpellCastTargets const& /*targets*/)
    {
        if (player->GetQuestStatus(QUEST_MISTCALLER_YNGVAR) == QUEST_STATUS_INCOMPLETE)
        {
            if (GameObject* heartofthemists = player->FindNearestGameObject(49678, 2.0f))
            {
                if (Creature* yngvar = player->SummonCreature(34965, 0.2f, 0.0f, 0.2f, 0.0f, TEMPSUMMON_TIMED_DESPAWN_OUT_OF_COMBAT, 300000))
                yngvar->AI()->AttackStart(player);
            }
        }
        return true;
    }
};