Geko

Level 2 of the Dungeon
(0, 0, D:2)
  a scroll of revelation

Level 3 of the Dungeon
(0, 0, D:3)
  4 stones
(2, -2, D:3)
  3 stones
(3, -3, D:3)
  6 stones
(6, -9, D:3)
  a giant cockroach corpse