Orthrus

Level 1 of the Dungeon
(1, -4, D:1)
  209 stones
(2, -8, D:1)
  a +0 dagger
(3, -11, D:1)
  a +0 hand axe
(10, 6, D:1)
  a +0 mace
(15, -12, D:1)
  an uncursed amulet of the gourmand
(19, 19, D:1)
  a +0 club
(20, 19, D:1)
  a +0 club
(28, 10, D:1)
  a +4 mace
(28, 19, D:1)
  a +0 leather armour
(31, 17, D:1)
  214 stones
(32, 33, D:1)
  a +0 chain mail
(33, -2, D:1)
  a +0 short sword
(46, -8, D:1)
  a +0 ring mail

Level 2 of the Dungeon
(7, -19, D:2)
  a +0 flail
(23, -1, D:2)
  82 stones
(23, 34, D:2)
  a +0 ring mail
(25, 0, D:2)
  (unseen)
(25, 4, D:2)
  a +0 robe
(31, 11, D:2)
  a +0 robe
(33, -1, D:2)
  a +0 whip
(35, 3, D:2)
  a +0 dagger
(52, 20, D:2)
  a +0 falchion

Level 3 of the Dungeon
(0, 0, D:3)
  55 poisoned needles
(4, -15, D:3)
  203 sling bullets
(7, -19, D:3)
  a +0 club
(13, -17, D:3)
  (unseen)
(18, -8, D:3)
  a +0 club
(19, -39, D:3)
  85 arrows
(21, -32, D:3)
  a +0 club
(21, -31, D:3)
  a +0 whip
(22, -34, D:3)
  a +0 mace
(22, -13, D:3)
  a +0 mace
(27, -13, D:3)
  a +0 dagger
(39, -36, D:3)
  161 stones

Level 4 of the Dungeon
(0, 0, D:4)
  a +0 giant spiked club
(2, -12, D:4)
  a +0 ring mail
(7, -5, D:4)
  a +0 leather armour
  a +0 war axe
(19, 2, D:4)
  a sky beast corpse
(21, -17, D:4)
  a cursed -2 falchion
  a +0 robe
(22, -7, D:4)
  a +0 giant club
(23, -17, D:4)
  a +0 leather armour
  a +0 falchion
(23, -6, D:4)
  a +0 ring mail
(23, 2, D:4)
  a +0 hunting sling
  208 sling bullets
  a +0 ring mail
  a chunk of flesh
  the goblin skeleton of Ijyb
(25, -16, D:4)
  a +0 dagger
(25, 7, D:4)
  a +0 whip
  a cursed +0 scale mail
  a scroll of enchant weapon
  21 gold pieces
(26, 9, D:4)
  a +0 flail
  a +0 ring mail
  a scroll of teleportation
  15 gold pieces
  an orc corpse
(26, 10, D:4)
  a +0 trident
  a +0 leather armour
  an orc corpse
(28, 9, D:4)
  a +3 ring mail
  2 scrolls of identify
(29, 9, D:4)
  a +0 war axe
  117 stones
  a +0 leather armour
  a scroll of remove curse
(32, -17, D:4)
  a +0 leather armour
(52, -23, D:4)
  a +0 chain mail