Maug

Level 2 of the Dungeon
(4, 2, D:2)
  a ring mail
(6, 3, D:2)
  a giant cockroach corpse
(9, -8, D:2)
  7 gold pieces
(10, -12, D:2)
  a brown potion
(10, 10, D:2)
  a hunting sling