cat of nine tails

Object 'A Cat of Nine Tails' is type weapon, material snakes.
Extra flags: dark evil invis nodrop antigood.
Weight is 0.8, value is 5, level is 50.
Weapon type is whip.
Damage is 6d8 (average 27).
Affects hitroll by 5.
Affects damroll by 2.
Rare item.