hydra

Level 1 of the Dungeon
(0, 0, D:1)
  a +0 scale mail
(4, 8, D:1)
  a +0 leather armour
(6, -24, D:1)
  a +0 leather armour
(7, -3, D:1)
  a +0 club
(7, 9, D:1)
  a +0 dagger
(8, 9, D:1)
  a +0 mace
  5 stones
  a +0 dagger
(9, -8, D:1)
  a +0 dagger
(11, -8, D:1)
  a +0 dagger
(14, -9, D:1)
  10 poisoned darts
(21, -19, D:1)
  2 boomerangs
(33, -18, D:1)
  a +0 scale mail
(33, 5, D:1)
  a +0 plate armour
(41, 15, D:1)
  a +0 hunting sling
(47, 14, D:1)
  a +0 ring mail
(49, 21, D:1)
  a +0 club
  4 stones

Level 2 of the Dungeon
(0, 0, D:2)
  a +0 short sword
(29, 38, D:2)
  a +0 dagger
(39, 9, D:2)
  22 stones
(42, -3, D:2)
  a +0 chain mail
(44, -2, D:2)
  a +0 dagger
(49, 41, D:2)
  19 poisoned darts
(51, 21, D:2)
  a +0 leather armour
(52, 41, D:2)
  a +0 club

Level 3 of the Dungeon
(0, 0, D:3)
  8 sling bullets
(8, 2, D:3)
  a +0 quarterstaff
(16, 26, D:3)
  a +0 robe
  a +0 club
  a +0 club
  a gnoll corpse (skeletalised by now)
(18, 6, D:3)
  a +0 giant club
(20, 17, D:3)
  a +0 flail
  a +0 leather armour
(23, 10, D:3)
  30 stones
(25, 2, D:3)
  a +0 hunting sling
(35, 17, D:3)
  a scroll of immolation
(37, 3, D:3)
  a +0 club
(44, 2, D:3)
  a +0 leather armour
(49, -9, D:3)
  a +0 dagger

Level 4 of the Dungeon
(0, 0, D:4)
  a +2 vorpal hand axe
(5, -8, D:4)
  a +0 spear
  a gnoll skeleton
(5, 0, D:4)
  a +0 trident (still there?)
  a +0 plate armour (still there?)
  an orc corpse (still there?)
(6, -8, D:4)
  a +0 halberd
  a gnoll skeleton
(6, -2, D:4)
  a +0 club (still there?)
  an orc corpse (still there?)
(6, -1, D:4)
  a +0 giant spiked club
(8, -11, D:4)
  a +0 robe
  a +0 glaive
(19, 1, D:4)
  24 stones
(24, -12, D:4)
  a +0 dagger
  a boomerang
(35, -2, D:4)
  a +0 giant club
(40, 3, D:4)
  24 stones