Rimuru

Level 1 of the Dungeon
(0, 0, D:1)
  a ball python corpse (skeletalised by now)
(7, 1, D:1)
  a bat corpse (skeletalised by now)
(23, 15, D:1)
  7 stones
(30, 30, D:1)
  a ball python corpse (skeletalised by now)
(34, 12, D:1)
  a quokka corpse (skeletalised by now)
(38, 6, D:1)
  a +0 short sword

Level 2 of the Dungeon
(0, 0, D:2)
  a +0 leather armour
(0, 2, D:2)
  13 gold pieces
(26, -41, D:2)
  a +0 dagger
  a quokka corpse (skeletalised by now)
  the human corpse of Jessica (skeletalised by now)

Level 3 of the Dungeon
(0, 0, D:3)
  4 gold pieces
(1, -2, D:3)
  a +0 dagger
  an orc corpse
(1, 14, D:3)
  a +0 dagger
  a +0 robe
  an orc corpse
(1, 15, D:3)
  a quokka corpse
(2, -2, D:3)
  a +0 short sword
  an orc corpse
(2, 20, D:3)
  a rat skeleton
(3, -2, D:3)
  a +0 ring mail
(5, 2, D:3)
  a +0 leather armour