the High Guardian's two handed sword

Object 'high guardian sword' is type weapon, material steel.
Extra flags: glow hum magic antievil noremove.
Weight is 28, value is 5, level is 50.
Weapon type is two-handed sword.
Damage is 18d2 (average 27).
Affects hitroll by 5.
Affects damroll by 4.
Affects str by 2.
Rare item.