why didnt the armor unlock

I recently bought master chief collection
I unlocked nightfall armor and mark v1 fine
but then after i got the cairo station achievement the scarred mark v1 didnt unlock
how can I fix this?

Did you complete it on legendary.

> 2533274875982754;2:
> Did you complete it on legendary.

no
but the requirment for the armor was to get the achievement, which i did

Maybe you used skulls.
This is how I got it: I played that level on NORMAL, then I waited 2 weeks and had it on my inventory, just wait some time :wink:

> 2533274907868624;4:
> Maybe you used skulls.
> This is how I got it: I played that level on NORMAL, then I waited 2 weeks and had it on my inventory, just wait some time :wink:

Waited for a couple of hours and it worked
thank you for your Adobe though