Let’s go back in time after the events of Halo 5 there needs to be a Halo game in the Campaign you play as a Sangheili warrior in The Banished you will be mainly fighting against the UNSC forces you may also encounter forerunners and possibly the flood. Your goal is to take Zeta Halo from the UNSC experience the power within the Banished and how the UNSC Infinity was destroyed
.