the ring of darkness

Object 'ring dark darkness' is type jewelry, material iron.
Extra flags: hum dark magic antigood noremove nouncurse.
Weight is 1, value is 8, level is 25.
Affects wis by 1.
Affects savingmaled by -2.
Affects savingmental by -2.
Affects mana by 30.
Affects hp by 10.
Rare item.