Gargoyl

Level 2 of the Abyss
(0, 0, Abyss:2)
  the +5 flail of Plog {flame, -Tele Str+2 Dex+9}
    It has been specially enchanted to burn those struck by it, causing extra
    injury to most foes and up to half again as much damage against particularly
    susceptible opponents.
    
    It affects your strength (+2).
    It affects your dexterity (+9).
    It prevents most forms of teleportation.