Hints Level 1
Place a dagger in a rectangular hole in the wall to receive the "Guinsoo" +3 dagger.
Hints Level 2
Place daggers in the five dagger-like carvings in the wall. Rations will appear in exchange for the daggers after all five are inserted.
Hints Level 4
There are movable walls at beginning of the level. After pushing to the other side, push your way back to the stairs to find a Dwarf key. Now return, and turn right. Somewhere along this corridor is a chain switch. Pull on it.
Hints Level 5
There is a small alcove named Pantry in level 5. Drop five rations here to receive experience and transform them into Iron rations.
Hints Level 7
Throw a dagger at the wall that says, "The key lies on the other side". It will go through the writing and open a secret room.