Oil

Level 1 of the Dungeon
(0, 0, D:1)
  a +0 sling
(4, 2, D:1)
  9 gold pieces
(6, -19, D:1)
  a +0 chain mail
(9, 2, D:1)
  9 stones
(11, -3, D:1)
  a +0 dagger