Longtemps

Level 1 of the Dungeon
(0, 0, D:1)
  a +0 whip
(8, 29, D:1)
  a +0 dagger
(12, 18, D:1)
  a rat corpse (skeletalised by now)
(21, 20, D:1)
  a +0 dagger
  a goblin corpse (skeletalised by now)
(48, 35, D:1)
  a +0 whip (still there?)
  a kobold corpse (still there?)
(51, 35, D:1)
  a potion of mutation
(51, 36, D:1)
  a hobgoblin corpse
(53, 39, D:1)
  a hobgoblin corpse