An AI developed prior to the events of [[Halo Infinite]], tasked with [spoiler]locking down and deleting [[Cortana]] before she could bring further destruction to the galaxy through her armada of Forerunner Guardians. She was supposed to auto-delete afterwards since she was created in the exact same circumstances as Cortana, but [[Master Chief]] decides to keep her around after Cortana is gone.[/spoiler] The Weapon serves as the Master Chief's AI companion over the course of the game.
the weapon (halo infinite)