sentinel

Level 1 of the Dungeon
(2, 3, D:1)
  a ring of protection from cold
(6, 9, D:1)
  a bat corpse
(9, 6, D:1)
  a rat corpse
(10, 6, D:1)
  a bat corpse
(20, 9, D:1)
  a +0 club
  a goblin corpse