Efficiency

Level 4 of the Dungeon
(6, 0, D:4)
  a worm corpse

Level 6 of the Dungeon
(0, 0, D:6)
  a +0 robe

a sewer
(0, 0, Sewer)
  3 gold pieces
(1, -1, Sewer)
  9 gold pieces
(1, 0, Sewer)
  the ring of Grontol {Ice +Fly rPois Int-3 Dex+5 SInv}
    [ring of ice]
    
    It enhances your ice magic.
    It affects your intelligence (-3).
    It affects your dexterity (+5).
    It makes you vulnerable to fire.
    It protects you from cold.
    It protects you from poison.
    It lets you see invisible.
    It lets you fly.
(2, -1, Sewer)
  a +0 falchion
(2, 0, Sewer)
  14 gold pieces
(3, -5, Sewer)
  a bat corpse
(3, -1, Sewer)
  9 gold pieces
(3, 0, Sewer)
  15 stones
(4, 0, Sewer)
  11 gold pieces
(13, -9, Sewer)
  a bat corpse