a Major Globe of Invulnerability

Object 'globe major invulnerability' is type armor, material ethereal.
Extra flags: glow hum magic.
Weight is 1, value is 6, level is 31.
Armor class is 1 pierce, 1 bash, 1 slash, and 13 vs. magic.
Affects ac by -10.
Affects savingmaled by -10.
Affects savingaffl by -10.
Rare item.