Descartes

Level 3 of the Dungeon
(0, 0, D:3)
  a giant cockroach corpse

Level 4 of the Dungeon
(0, 0, D:4)
  a staff of earth
(8, 10, D:4)
  14 bolts

Level 5 of the Dungeon
(0, 0, D:5)
  6 gold pieces
(15, -8, D:5)
  a +0 trident