IndexError

Level 1 of the Dungeon
(0, 0, D:1)
  a kobold skeleton
(6, -5, D:1)
  15 stones
(11, 9, D:1)
  2 potions of curing
(16, 20, D:1)
  19 stones
(17, 7, D:1)
  a potion of cancellation