[b]Excaliber Mail[/b] [i]They say the sheath of Excaliber made the holder invincible. We found it, and made armor out of its metal. It sorta works...[/i] Exotic titan chest. Gold with inset jewels. Exotic perk: when your health is full for 20 seconds, the next hit you take does no damage. After that there is a cool down of 1 minute (30 seconds in story mode) before the 20 seconds start again.