Halo: Valiance is a planned book for the Stelverse. It follows the near-end of the war with the Kig-yar/Karidan as a joint UNSC-Confederate force takes the fight to Eayn, while Confederate Special Ops and UNSC Special Forces focus on stealthily attacking the more remote colonies of the Kig-yar. It is also one of the final books of the Stel 'Vadam story arc.