This little sub will recursively dig through a supplied hashref and print all values. 
sub DigThroughHashref {
    my $hr_data  = shift;
    my @keystack = @_;
    foreach (keys %{$hr_data}) {
        if (ref ($hr_data->{$_}) eq "HASH") {
            print ("Digging through [$_]:\n");
            push (@keystack, $_);
            DigThroughHashref($hr_data->{$_}, @keystack);
            pop (@keystack);
        } else {
            print (join ('->', @keystack) . "->$_ - $hr_data->{$_}\n")
+;
        }
    } ## end foreach (keys %{$hr_data})
} ## end sub DigThroughHashref

[download]
Call it using DigThroughHashref($hashref);

Also, there is an error in your boss_enemies data. There are periods following the attacktype instead of comma's.

You can also use 
foreach (keys %{$hashref}) {
}

[download]
instead of declaring an extra %hash-variable.

Also, you can get to certain values by simply using '->' a lot: printing $hashref->{items}->{armor}->{helm}->{body_part} will print 'head'.
(This is basically what DigThroughHashref does).

Edit: forgot ->$_ in the output

In reply to Re: getting keys of multi-level hashrefs by Neighbour
in thread getting keys of multi-level hashrefs by mask_man

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