Riddle

Level 1 of the Dungeon
(0, 0, D:1)
  27 arrows
(0, 8, D:1)
  an arrow
(1, -2, D:1)
  an arrow
  (unseen)
(3, 4, D:1)
  a potion of magic
(3, 6, D:1)
  an arrow
(3, 11, D:1)
  an arrow
(7, -4, D:1)
  a cursed +0 leather armour
(10, -1, D:1)
  an arrow
  (unseen)
(13, 6, D:1)
  3 arrows
(13, 12, D:1)
  an arrow
(19, 3, D:1)
  a dart slug corpse