Impervious

Level 1 of the Dungeon
(0, 0, D:1)
  a +0 mace
(6, 7, D:1)
  a +0 dagger
(7, 32, D:1)
  a +0 club
(10, 5, D:1)
  a +0 ring mail
(17, 5, D:1)
  a +0 club
(20, 23, D:1)
  19 stones
(25, 30, D:1)
  18 bolts
(29, 39, D:1)
  15 stones
(35, 12, D:1)
  a cursed -1 short sword
(43, 1, D:1)
  17 stones
(60, 16, D:1)
  a +0 short sword

Level 2 of the Dungeon
(0, 0, D:2)
  a +0 club
(2, -40, D:2)
  a +0 naga barding
(9, -50, D:2)
  a stone
(10, -50, D:2)
  a stone
(11, -49, D:2)
  a stone
(11, -13, D:2)
  a cursed -1 hunting sling
  a +0 club
  17 stones
  a goblin corpse (skeletalised by now)
(12, -19, D:2)
  a stone
(12, -18, D:2)
  a stone
(12, -15, D:2)
  a stone
(13, -47, D:2)
  a +0 short sword
(23, -50, D:2)
  18 stones
(26, -17, D:2)
  a +0 club
(30, -33, D:2)
  a +0 club
(31, -33, D:2)
  a +0 short sword
  a +0 leather armour
(33, -30, D:2)
  a stone
(38, -47, D:2)
  a +0 club
(44, -42, D:2)
  a +2 spear of venom

Level 3 of the Dungeon
(0, 0, D:3)
  27 bolts
(34, -24, D:3)
  a +0 dagger
  (unseen)