linchpin

Level 1 of the Dungeon
(18, -12, D:1)
  a rat corpse (skeletalised by now)
(32, -12, D:1)
  a frilled lizard corpse (skeletalised by now)
(34, -11, D:1)
  a +0 dagger
(51, 8, D:1)
  a +0 spear
  a gnoll corpse (skeletalised by now)
(52, -12, D:1)
  a +0 club
(52, 7, D:1)
  a +0 dagger
  a hobgoblin corpse (skeletalised by now)
(55, -3, D:1)
  a rat corpse (skeletalised by now)

Level 2 of the Dungeon
(0, 0, D:2)
  a +0 dagger