beldur

Level 4 of the Dungeon
(4, -3, D:4)
  a giant cockroach corpse

Level 5 of the Dungeon
(3, -4, D:5)
  a potion of haste
(5, 9, D:5)
  a wand of polymorph (6)
(14, 5, D:5)
  an adder corpse
(17, 3, D:5)
  3 poisoned darts