bool Aura::CanPeriodicTickCrit(Unit const* caster) const
{
    if (GetSpellInfo()->HasAttribute(SPELL_ATTR2_CANT_CRIT))
        return false;

    // need to check this attribute because it's the triggered spell that'll receive the crit chance
    if (GetSpellInfo()->HasAttribute(SPELL_ATTR4_INHERIT_CRIT_FROM_AURA))
        return true;

    if (caster->HasAuraTypeWithAffectMask(SPELL_AURA_ABILITY_PERIODIC_CRIT, GetSpellInfo()))
        return true;

    // Rupture - since 3.3.3 can crit
    if (GetSpellInfo()->SpellIconID == 500 && GetSpellInfo()->SpellFamilyName == SPELLFAMILY_ROGUE)
        return true;

    return false;
}