Underlaid

Level 1 of the Dungeon
(2, 15, D:1)
  a bat corpse
(3, 13, D:1)
  a giant cockroach corpse
(3, 16, D:1)
  a hobgoblin corpse
(8, -1, D:1)
  a frilled lizard corpse (skeletalised by now)

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

Level 3 of the Dungeon
[Shop] Isirhima's Weapon Shop
  (Shop contents are unknown)