War of Wills (Earth-2042)

The War of Wills, also referred to as the Stoic-Reformist conflict, was an internal conflict that arose when some of the San'Shyuum began to believe that they should enter the Forerunner Dreadnought, a relic which crashed on their homeworld Janjur Qom long ago.

Source

 * https://www.halopedia.org/War_of_Wills