The Will

The Will, formerly known as the Perimeter by its creators, is a network of independent ancilla personalities that was created as a component of a larger security network that spanned the arrays of the Forerunners established throughout the galaxy during their with the . Although initially used as low-functioning ancilla with basic, limited tasks, the intelligences that composed the Perimeter were granted increasingly greater autonomy as the Flood destroyed components within the security network. With the extinction of the Forerunners at the end of the war, the Perimeter became dormant until reactivated by renegade operative Arthur Onegin. As a result of Onegin's interaction with different nodes in the system, ancilla within the Perimeter assumed aspects of his personality and took it upon themselves to implement their interpretation of his "will" in the post-war years by remotely influencing galactic events.