Invincibility

There are two references to Invincibility in the Halo universe:
*Invincibility (Glitch)- A glitch in the Halo 2 campaign level Sacred Icon.
*Invincibility (Equipment)- A power-up in the game Halo 3.
*Modified Invincibility- A personal energy shield used by Tartarus in the Halo 2 campaign level The Great Journey.