Riddle

Level 1 of the Dungeon
(0, 0, D:1)
  a ration
(23, -12, D:1)
  a stone

Level 2 of the Dungeon
(0, 0, D:2)
  20 arrows
(2, 0, D:2)
  a cursed -2 dagger
(10, 3, D:2)
  a +0 hunting sling
(18, 7, D:2)
  a +0 club
  a goblin corpse (skeletalised by now)
(19, -3, D:2)
  a +0 dagger

Level 3 of the Dungeon
(0, 0, D:3)
  a potion of curing
(6, -5, D:3)
  a giant cockroach corpse
(7, 0, D:3)
  16 poisoned needles
(24, -8, D:3)
  a +0 trident of venom

Level 4 of the Dungeon
(0, 0, D:4)
  2 potions of might
(25, -1, D:4)
  a ration
(26, 35, D:4)
  17 gold pieces
(34, 10, D:4)
  a scroll of identify
(35, 3, D:4)
  a potion of curing
(37, 9, D:4)
  a scroll of teleportation
(42, 24, D:4)
  a potion of curing