Mephistopheles

Level 1 of the Dungeon
(18, -24, D:1)
  a +0 whip
(19, -54, D:1)
  a cursed +0 robe
(23, -57, D:1)
  8 boomerangs
(31, -20, D:1)
  a +0 club
(35, -22, D:1)
  a +0 dagger
(39, -37, D:1)
  17 arrows
(40, -11, D:1)
  a +0 club
(42, -46, D:1)
  27 bolts
(43, -22, D:1)
  a cursed -2 club
(54, -22, D:1)
  a +0 whip

Level 2 of the Dungeon
(7, 15, D:2)
  a +0 robe
(14, 24, D:2)
  a +0 short sword
(15, 25, D:2)
  a cursed +0 whip
(19, 13, D:2)
  a +0 tower shield
(22, 38, D:2)
  a +2 spear of flaming
(24, 25, D:2)
  8 sling bullets
(27, 11, D:2)
  an uncursed ring of poison resistance
(27, 12, D:2)
  a +0 hand axe
(30, 9, D:2)
  23 sling bullets
(36, 35, D:2)
  a +0 club
(36, 39, D:2)
  a +0 scale mail

Level 3 of the Dungeon
(0, 0, D:3)
  a +0 buckler
(10, -35, D:3)
  a +0 robe
(11, -14, D:3)
  5 boomerangs
(13, -40, D:3)
  a +0 long sword
(13, -38, D:3)
  a +0 dagger
(13, 9, D:3)
  a +0 short sword
(14, -20, D:3)
  a +0 trident
(17, -26, D:3)
  a +0 dagger
(18, -19, D:3)
  a +0 spear
(24, -6, D:3)
  a +0 mace
(28, 6, D:3)
  a +0 club
(29, -17, D:3)
  17 bolts
(38, 1, D:3)
  a +0 mace
(41, -23, D:3)
  a +0 hunting sling
  a +0 dagger
(43, 12, D:3)
  16 arrows
(57, -14, D:3)
  a +0 robe
(57, -13, D:3)
  a +0 dagger
  a +0 robe
(57, -12, D:3)
  a +0 trident
  a +0 chain mail
(57, -11, D:3)
  a +0 mace
  a +0 ring mail

Level 4 of the Dungeon
(0, 0, D:4)
  a +0 pair of boots
(8, -12, D:4)
  a +0 dagger
(13, -4, D:4)
  a +0 hunting sling
(15, 0, D:4)
  12 arrows
(20, 18, D:4)
  a +0 flail
  (unseen)
(24, 17, D:4)
  a +0 whip
  a +0 mace
  an orc skeleton
(25, 17, D:4)
  a +0 whip
  an orc corpse
(28, -38, D:4)
  a +2 whip of pain
(29, 17, D:4)
  a +0 giant club
(30, -3, D:4)
  a +0 long sword
(35, -32, D:4)
  a +0 war axe
(38, -8, D:4)
  a +0 dagger
(57, 1, D:4)
  a +0 ring mail
(59, -3, D:4)
  a +0 dagger