From Halopedia, the Halo wiki
|Political and military information|
Commander Rive appears as a boss in Halo 5: Guardians' Warzone Firefight mode. In-game, Commander Rive is a Legendary boss that appears on Urban alongside Animus-To-Remain, Habit-To-Sever, and Malice-Begets-Demise as the Four Commanders. Sever is armed with a lightblade, a Z-250 lightrifle and a Z-390 incineration cannon.
List of appearances