void Guardian::UpdateResistances(uint32 school)
{
    if (school > SPELL_SCHOOL_NORMAL)
    {
        float value = GetTotalAuraModValue(UnitMods(UNIT_MOD_RESISTANCE_START + school));

        if (isPet())
            value += float(CalculatePct(m_owner->GetResistance(SpellSchools(school)), 40));

        if (m_owner->HasAura(37386, 0))  // Void Star Talisman
           value += 130;

        SetResistance(SpellSchools(school), int32(value));
    }
    else
        UpdateArmor();
}

void Pet::UpdateResistances(uint32 school)
{
    if (school > SPELL_SCHOOL_NORMAL)
    {
        float value  = GetTotalAuraModValue(UnitMods(UNIT_MOD_RESISTANCE_START + school));

        Unit *owner = GetOwner();
        // chained, use original owner instead
        if (owner && owner->GetTypeId() == TYPEID_UNIT && ((Creature*)owner)->GetEntry() == GetEntry())
            if (Unit *creator = GetCreator())
                owner = creator;

        // hunter and warlock pets gain 40% of owner's resistance
        if (owner && (getPetType() == HUNTER_PET || (getPetType() == SUMMON_PET && owner->getClass() == CLASS_WARLOCK)))
            value += float(owner->GetResistance(SpellSchools(school))) * 0.4f;

        SetResistance(SpellSchools(school), int32(value));
    }
    else
        UpdateArmor();
}

void Creature::UpdateMaxHealth()
{
    float value = GetTotalAuraModValue(UNIT_MOD_HEALTH);
    SetMaxHealth((uint32)value);
}