Pillar of Autumn Legendary broken

Games Halo: The Master Chief Collection
1

Hi there

Literally just finished my Halo Reach on Legendary run on my PC version only to not get the achievement and notice that despite playing through the entirety of Pillar of Autumn on Legendary difficulty (a task I never want to do again) it still lists me having only completed the mission on Heroic?? I can assure you I’ve not been stupid and just accidentally done it on Heroic again because as it moved onto the next levels without me going back to the home screen the Epilogue and Lone Wolf both were on Legendary and were counted as wins on Legendary.

Please can someone help? Am i just gonna have to go through that entire mission all over again?

Thank you

2

As an extra note I should add that despite earning more than the Par Score I did not receive any achievement for that either

3

And beat it a second time on legendary. Now with screenshots to show it on Legendary on the final cutscene and still nothing

4

This happened to me as well. Earlier in my playthrough I had to complete Exodus on legendary twice to get it to register as being completed on legendary so I thought maybe the same thing was happening here. I’ve since completed The Pillar of Autumn 3 times on legendary difficulty and yet still it doesn’t register. I’ve sent a support ticket to 343 but nothing has been fixed yet.