Rengar

Level 1 of the Dungeon
(0, 0, D:1)
  6 stones
(5, 5, D:1)
  a bat corpse (skeletalised by now)
(6, -12, D:1)
  a staff of alchemy
(10, 9, D:1)
  5 stones
(23, -16, D:1)
  a +0 leather armour
(24, -26, D:1)
  a +0 club
  a goblin corpse (skeletalised by now)
(24, -20, D:1)
  9 stones
(28, -15, D:1)
  a +0 hand axe
(29, 9, D:1)
  a hobgoblin skeleton
(34, 0, D:1)
  a hobgoblin skeleton
(35, 21, D:1)
  a +0 dagger
  a goblin skeleton
(42, -9, D:1)
  a scarab talisman
(44, 1, D:1)
  a +0 chain mail
(47, 19, D:1)
  a +0 leather armour
(48, 25, D:1)
  a +0 club
(53, -21, D:1)
  a +0 helmet

Level 2 of the Dungeon
(0, 0, D:2)
  a rat skeleton
(2, -20, D:2)
  a rat corpse (skeletalised by now)
(6, -16, D:2)
  a +0 dagger
  2 stones
(24, -37, D:2)
  a +0 mace
(40, -27, D:2)
  a +1 pair of gloves of dexterity
(43, -31, D:2)
  a +0 hand axe
(48, -26, D:2)
  a +0 short sword
(52, -36, D:2)
  a +0 short sword
(54, -31, D:2)
  a bat corpse (skeletalised by now)

Level 3 of the Dungeon
(0, 0, D:3)
  a +0 spear of flaming
(1, 2, D:3)
  6 stones
(2, 3, D:3)
  a +0 sling
  a +0 club
  a goblin skeleton
(7, 12, D:3)
  the felid corpse of Rengar (skeletalised by now)
(8, 10, D:3)
  a +0 club
(8, 32, D:3)
  a +0 club
(9, 2, D:3)
  a stone
(9, 6, D:3)
  a +0 falchion
  a bat skeleton
(13, 0, D:3)
  the felid skeleton of Rengar
(16, 34, D:3)
  a quokka skeleton
(21, 12, D:3)
  a +0 chain mail
(25, 27, D:3)
  a ball python skeleton
(27, 13, D:3)
  a bat corpse (skeletalised by now)
(29, 1, D:3)
  a bat corpse (skeletalised by now)
(29, 10, D:3)
  a +0 hand axe
(34, 45, D:3)
  a +0 robe
(38, 30, D:3)
  a +0 dagger
(39, 11, D:3)
  a +1 cloak of preservation
(39, 25, D:3)
  a +0 spear
(40, 11, D:3)
  a +4 quarterstaff of chaos
(45, 13, D:3)
  a +0 hammer

Level 4 of the Dungeon
(0, 0, D:4)
  4 stones
(6, -10, D:4)
  a hobgoblin corpse
(7, -9, D:4)
  a Compendium of Siegecraft
(10, -13, D:4)
  a +0 leather armour
(15, -4, D:4)
  a potion of heal wounds