Third

Level 5 of the Dungeon
(8, 4, D:5)
  a +0 robe
(10, 7, D:5)
  a scroll of vulnerability
(21, 16, D:5)
  a +0 morningstar

Level 6 of the Dungeon
(6, -3, D:6)
  the +2 robe of Purpose {Harm MP+6 Int-3 Dex+4}
    Harm:      It increases damage dealt and taken.
    MP+6:      It affects your magic capacity (+6).
    Int-3:     It affects your intelligence (-3).
    Dex+4:     It affects your dexterity (+4).
    
    It cannot be enchanted further.
(14, -11, D:6)
  a +0 mace