Halo Infinite: Operation - Champions

Operation: Champions was a limited-time event in Halo Infinite. It focused on gladiator-style customization for Spartans and introduced a 20-tier free Operation Pass featuring the Athlon armor core, originally seen in Halo 5: Guardians. The pass included armor pieces, coatings, and other cosmetics centered on an arena combat theme. Additional themed bundles were available in the shop.