Nightfall armor reward

I saw Nightfall with my brother in my profile, Bután we didnt get anything, we stay three hours watching and nothing! Okay, si a good serie, but we want the armor. Please! My brother already post, is Ricky8877

You have to hit a button on your controller through your Xbox 1 when it prompts you to.

You don’t understand, I saw nightfall but I didn’t received the armor