sentinel

Level 1 of the Dungeon
(0, 0, D:1)
  12 gold pieces
(0, 7, D:1)
  a rat corpse (skeletalised by now)
(1, 0, D:1)
  7 stones
(7, -15, D:1)
  a stone
(17, -3, D:1)
  a +0 ring mail

Level 2 of the Dungeon
(0, 0, D:2)
  a dart slug corpse
(16, 3, D:2)
  a +0 dagger
  2 stones
  a ball python corpse
  a kobold corpse
(18, 7, D:2)
  6 gold pieces
(19, 32, D:2)
  an adder corpse (skeletalised by now)
(22, 5, D:2)
  a quokka corpse

Level 3 of the Dungeon
[Shop] Exewk's Weapon Emporium
  a +3 hand axe of venom (206 gold)
  5 stones (5 gold)
  5 stones (5 gold)
  the +8 sling of the Crafting Stork {freeze, Fly rC++ Dex+4} (777 gold)
    Any ammunition fired from it freezes those it strikes, dealing additional
    cold damage. It can also slow down cold-blooded creatures.
    
    Dex:       It affects your dexterity (+4).
    rC:        It greatly protects you from cold.
    Fly:       It grants you flight.
  6 stones (6 gold)
  a +0 vorpal scimitar (80 gold)
  2 stones (2 gold)
  5 javelins (40 gold)
  3 stones (3 gold)
(0, 0, D:3)
  a scroll of immolation
(4, -1, D:3)
  a +0 spear
(5, -18, D:3)
  a hobgoblin corpse
(7, -22, D:3)
  6 stones
(13, 2, D:3)
  a +0 short sword
(15, -12, D:3)
  16 gold pieces
(16, -31, D:3)
  a hobgoblin corpse
(17, -14, D:3)
  a worm corpse
(24, -35, D:3)
  8 gold pieces
(32, -21, D:3)
  12 gold pieces