a Warshield of Invulnerability

Object 'warshield invulnerability' is type armor, material adamantite.
Extra flags: glow hum nodrop.
Weight is 25, value is 4, level is 54.
Armor class is 20 pierce, 20 bash, 20 slash, and 20 vs. magic.
Affects savingmental by -8.
Affects savingmaled by -2.
Unique item.