hydra

Level 1 of the Dungeon
(0, 0, D:1)
  a +0 hunting sling
(7, 22, D:1)
  8 arrows
(22, 32, D:1)
  a +0 whip
  2 stones
(28, -7, D:1)
  a +0 whip
  4 stones
(28, 34, D:1)
  a +0 ring mail
(28, 44, D:1)
  a +0 club
(30, 24, D:1)
  9 bolts
(39, 38, D:1)
  10 stones
(40, 29, D:1)
  a +0 demon trident of electrocution
(43, 33, D:1)
  4 boomerangs
(44, 34, D:1)
  20 stones
(46, 32, D:1)
  17 stones
(50, 31, D:1)
  a +0 dagger
(52, 34, D:1)
  a +0 helmet
(53, 17, D:1)
  16 sling bullets

Level 2 of the Dungeon
(0, 0, D:2)
  a +0 club
(11, -7, D:2)
  a +0 dagger
(17, 29, D:2)
  a +0 leather armour
(18, 28, D:2)
  17 bolts
(28, 17, D:2)
  a +0 mace
(31, 16, D:2)
  24 stones
(38, 5, D:2)
  23 arrows
(41, -4, D:2)
  a +0 club
(51, 12, D:2)
  a +0 short sword
(55, 19, D:2)
  4 large rocks

Level 3 of the Dungeon
(0, 0, D:3)
  a +0 dagger
(9, -7, D:3)
  20 stones
(17, -10, D:3)
  an adder corpse (skeletalised by now)
(24, 16, D:3)
  a +0 chain mail
  a +0 dagger
(29, -11, D:3)
  a +0 club
  a +0 scale mail
(40, -1, D:3)
  a +0 trident
(43, 16, D:3)
  a +0 spear

Level 4 of the Dungeon
(0, 0, D:4)
  a +0 leather armour
(15, 16, D:4)
  a hound corpse
(16, 21, D:4)
  18 stones
(31, 9, D:4)
  a +0 ring mail
(31, 17, D:4)
  a +0 dagger (still there?)
  a goblin corpse (still there?)