Seven of the Special Quests

Level 1: Place a dagger in a rectangular hole in the wall to receive the "Guinsoo" +3 dagger.
Level 2: Place daggers in the dagger like carvings in the wall. There are 5 of them. When you do all 5, you will get rations in exchange for the daggers.
Level 3: After you put the gems in the cats eyes to reach Level 4, take all gems back again.
Level 4: There are movable walls at beginning of Level. After you've pushed your way to the other side, push your way back to the stairs. You will find a Dwarf key. Now go back, and turn right. Somewhere along this corridor is a chain switch. Pull on it.
Level 5: In the place marked :" Pantry", put 5 rations in the shelf of the wall to receive 5 Iron Rations.
Level 6: In the place marked "Nest", put all 10 Kenku eggs in one pile, and in return, you get the Chieftain's Halberd.
Level 7: On the wall that says, "The key lies on the other side", throw a dagger at it. It will go through the writing and open a secret room.