The ravager +4 is in Yaga Shura's lair. It is combined with the serpent shaft found in Watcher's keep (I think on the dragon on level 4) to make the ravager +6.
Stats are:
Cast Cloak of Fear three times/day
Combat Abilities:
3-18 bonus damage each hit unless target saves vs. poison
10% chance each hit of decapitating opponent (no save)
THAC0: +6 bonus
Damage: 1D10+6
Damage type: piercing
Weight: 10
Speed Factor: 3
Proficiency Type: Halberd
Type: 2-handed
Requires: 13 Strength
Not Usable By:
Monk
Druid
Cleric
Mage
Thief
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