Straightforward 39 bytes (37 + 2 flags) solution : 
#!perl -pl
/\d+\+/;$-+=rand$&for 1..$_;$_+=$'+$-

[download]
More complex 35 bytes solution : 
#!perl -pl
s/d/q(+~~rand($')+d)x$`/e;$_=eval

[download]
Due to the use of $', they can’t easily be ran from the command-line. Just store them in a file.

In reply to Re: Dungeons and Dragons die roller (Golf) by Grimy
in thread Dungeons and Dragons die roller (Golf) by zsl

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