Rimuru

Level 1 of the Dungeon
(7, 13, D:1)
  a +0 leather armour
(9, -6, D:1)
  8 stones
(16, -22, D:1)
  a rat corpse (skeletalised by now)
(17, 17, D:1)
  a bat corpse (skeletalised by now)
(24, -39, D:1)
  a +0 club
  a kobold corpse (skeletalised by now)
(25, -16, D:1)
  a ball python corpse (skeletalised by now)
(27, -13, D:1)
  a frilled lizard corpse (skeletalised by now)
(29, -44, D:1)
  a +0 dagger
(48, 6, D:1)
  a rat corpse (skeletalised by now)

Level 2 of the Dungeon
(8, 1, D:2)
  a jackal corpse
(15, -18, D:2)
  a +0 club
  a kobold corpse

Level 3 of the Dungeon
(0, 0, D:3)
  a +0 whip
(3, 5, D:3)
  11 gold pieces
(4, 5, D:3)
  a scroll of amnesia
(5, -4, D:3)
  a parchment of Flame Wave
(6, -3, D:3)
  9 gold pieces
(9, -7, D:3)
  3 scrolls of identify