Illithid

The Bard eyes you warily and says:

   The caverns of the Illithid are not to be
travelled lightly.  The Mindflayers are masters of
strange and terrible mental powers.  I would not
tread to heavily upon their territory.  They are
completely alien to us, and their only allies
are the Dark Elves.
   I once spent a month in their slaves pens, and I
would not care to repeat that experience.
   If I remember correctly, I wandered far west and
somewhere close to the beach I found a path leading
down into the darkness with plethora of those pesky
brain eating horrors...