$VAR1 = {
          'class_name' => '1st level Fighter/1st level Thief/1st level Mage',
          'intelligence' => '18',
          'wisdom' => '14',
          'charisma' => '15',
          'experience' => '0',
          'dexterity' => '18',
          'strength' => '18(93)',
          'last_name' => 'Zendelic',
          'generic_class_name' => 'Fighter-Thief-Mage',
          'filename' => '!ZeKy',
          'generic_race' => 'Half-Elf',
          'constitution' => '17',
          'race' => 'Half-Elf',
          'alignment' => 'Neutral Good',
          'gender' => 'Female',
          'id_name' => 'Kymaria_Zendelic',
          'first_name' => 'Kymaria'
        };

##</code><code>##

while (defined (my $hr = $csv->getline_hr($io))) { 
  # use $hr->{id_name} to get the id_name
}

##</code><code>##

while (defined (my $hr = $csv->getline_hr($io))) { 
    my %general_information = (
                               "class(es)" => $hr->{class_name},
                               alignment => $hr->{alignment},
                               race => $hr->{race},
                               gender => $hr->{gender},
                              );

    my %ability_scores = (
                          strength => $hr->{strength},
                          dexterity => $hr->{dexterity},
                          constitution => $hr->{constitution},
                          intelligence => $hr->{intelligence},
                          wisdom => $hr->{wisdom},
                          charisma => $hr->{charisma},
                         );

    # do stuff with the above hashes.
}

##</code><code>##

while (defined (my $hr = $csv->getline_hr($io))) { 

    my %general_information = (
                               "class(es)" => $hr->{class_name},
                               map { $_ => $hr->{$_} } qw/alignment race gender/;
                              );

    my %ability_scores = (
                          map { $_ => $hr->{$_} } qw/strength
                          dexterity
                          constitution
                          intelligence
                          wisdom
                          charisma/
                         );

    # here you can use them, same as previous example.
    list_loop(\%general_information);
    list_loop(\%ability_scores);
}