Xiguana

Level 1 of the Dungeon
(0, 0, D:1)
  a dart slug corpse
(21, -1, D:1)
  2 potions of invisibility
(22, 0, D:1)
  a giant cockroach corpse
(24, 10, D:1)
  a cursed +0 mace
(27, 4, D:1)
  10 poisoned needles