Timinator

the Dungeon
(0, 0, D)
  a throwing net
(5, 0, D)
  an arrow
(8, 0, D)
  a bat corpse
(9, 0, D)
  a +0 short sword
  a kobold corpse
  a bat corpse
(10, 0, D)
  a stone
  a bat corpse
  a hobgoblin corpse
(15, 0, D)
  a stone