This can be for reasons of time and sources and isn't going to point out a visible retcon. Canonically, the physical appearances and harnesses worn via the Elites and also other species of equally the Covenant and also the Swords of Sanghelios through the gatherings of Halo five: Guardians https://halocuan9885937.blogkoo.com/an-unbiased-view-of-login-halocuan98-48066706