White Tiger Katana

Typical Cost: Not available on the open market; 500-1,000 yen on the black market

Certain officers of emperor's elite White Tigers carry +2 Katanas that can, once a day, render them invulnerable for 1-3 rounds of combat (they cannot be hit, are immune to spells, etc.). Perfect 20s to hit and 1s on saving throws are the only exceptions.