Ive changed the emeblm on the MCC but on my shoulder it hasnt changed, it wouldnt be a such a big dead if it wasnt a unicorn on my spartan
The MCC emblems won’t translate to the Halo 3 emblems in-game since there are a lot of emblems on MCC that were never in the original Halo 3, thus you won’t be able to see it on your shoulder. At least I’m pretty sure that’s the reason why