pulse

the Dungeon
(0, 0, D)
  a stone
(0, 4, D)
  an arrow (still there?)
  a giant cockroach corpse (still there?)
  a hobgoblin corpse (still there?)
(0, 5, D)
  a +0 dagger
  a kobold corpse
(0, 7, D)
  3 stones