Thirteenth

Level 1 of the Dungeon
(0, 0, D:1)
  a goblin corpse (skeletalised by now)
(15, -1, D:1)
  a cursed -1 club
  a hobgoblin corpse (skeletalised by now)
(16, 12, D:1)
  a +1 dagger of venom
(19, 14, D:1)
  a +0 robe
(22, -18, D:1)
  a frilled lizard corpse
(23, -17, D:1)
  a +0 club
  a hobgoblin corpse

Level 2 of the Dungeon
(0, 0, D:2)
  2 arrows