a tainted clockblade

Object 'tainted clockblade blade' is type weapon, material tainted metal.
Extra flags: glow visdeath.
Weight is 1, value is 2, level is 50.
Weapon type is spear.
Damage is 18d2 (average 27).
Affects hitroll by 4.
Affects damroll by 1.
Affects dual parry by 3.
Unique item.