Etrom - The Astral Essence

Commodore Amiga reference:
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In Johan's sanctum in the sewers, click on Johan and Etrom will exclaim 
"Guru Meditation!". On the Commodore Amiga, should a  software error occur 
a screen proclaiming in red text "Software  Disk Error. Please click left 
mouse button to restart Guru  Meditation" followed by a number. This was 
the equivalent of Windows'  infamous "Blue Screen of Death". Many of the 
software engineers at  PM Studios (Etrom's Developer) worked in Commodore's 
European branches.