Black Orcs:
2s6e8n2wn3wden2es3ed

              X + X - X   X - X - X - X
              |       |   |           |
             dX   X - X - X - X       X
            /         |   |   |       |
           1      Dt  Dt- X - Dt      X
                  |   |   |   |       |
                  X - X - X - X       X - Illir
       S1:        |   |   |   |
O + X       E    dX - X - X - X
    |       |   % |   |   |
    X - X - X  S1 X - X - X
                      |   |
           X - X      X - X
           |   |      |
   X - X - X - X - Xd X
   |                 \|
   X                  X
   |
   X              X
   |             /
   X       X - Xu
   |       |
   E - X - X
           |
           X - X - X - X
                   |   |
                   C - X

Notes:
E - Entrances
C - Where the Chief moves about, who pops Black Breast Plate and Black Spear
O - The Old ring is found in a jar in this room
1 - The Dwarven Mithril Plate is found in this room

Written down by Rahvin <rahvin@df.lth.se>
If anything is wrong please send me a mail about the error.