Flowchart

the Dungeon
(0, 0, D)
  an iguana skeleton
  an iguana skeleton
(5, 0, D)
  a +0 scimitar
  a +0 plate armour
  an orc corpse (skeletalised by now)
(6, 0, D)
  a bullfrog corpse (skeletalised by now)
(8, 0, D)
  a +0 scale mail
  a +0 flail
(13, 0, D)
  a +2 scimitar of holy wrath
  a +4 quarterstaff of speed
  a +2 halberd of venom
  a +3 war axe of freezing
  a +2 rapier of protection
(14, 0, D)
  an uncursed staff of energy
(37, 4, D)
  a bullfrog corpse (still there?)
  a spiny frog corpse (still there?)
(47, 0, D)
  a +0 hand axe
(54, 0, D)
  a +0 dagger
  a +0 dagger