A Slime Covered Cell                                   -      -      - 
(-------------------------------------------------)     - <---(M)---> -
                                                        -      S      -

The room itself seems to be normal until you enter and find yourself
slipping and almost smacking your head on the floor.  The creatures of this
cell look almost like snails with numerous appendages.  However, you notice
that the walls of the cell themselves are made out of steel not rock!  You
realize that this must be the reason why the mages of the isle can tunnel so
quickly!  These slugs can dig faster then any human can!  The walls are
steel to prevent them from slowly digging out.  Fascinating!
A large slug intent on digging is here.