Marnok

Level 2 of the Dungeon
(0, 0, D:2)
  a worm corpse

Level 3 of the Dungeon
(0, 0, D:3)
  a kobold corpse
(0, 2, D:3)
  a stone
(1, 3, D:3)
  a stone
(1, 4, D:3)
  a stone
(1, 6, D:3)
  2 stones
(3, 3, D:3)
  a +0 dagger

Level 4 of the Dungeon
(0, 0, D:4)
  a +0 hunting sling
(2, -12, D:4)
  a potion of mutation