My multi is an AT this aftercore. I got my epic weapon (did the Tomb of the Unknown class stuff) and then ran the script. It appears that the script got the 'Fun' House item from the clown lord and didn't visit the guild/stop for manual creation (it ran 164 turns in the 'Fun House' before I stopped it manually, oops).
I am not sure that happened with your trials.
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When I run I get: Bad location value: "Nemesis Cave" (nemesis.ash, line 497)
Yeah, the revamp broke this script pretty bad. Its on a long list of things to fix... but if anyone want to submit new code I will integrate it.