Hopefully the picture will work but After Crota Hard I watched the Stream at the Bottom left hoping for a Helmet of Black Hammer. I got the Word of Crota and some Energies. I still went and looked through my inventory to double check. I even Recycled the Word as it was my fourth one. I had nothing else new. I decided to fold laundry while I waited for the Reward screen because Why not. I have had people tell me they would get a drop but I never saw anything. Even when I was Rewarded Exotics at the end of the Fight I never saw anything pop up at the rewards screen. Yesterday though Dragon's Breath popped up.
I took a screen shot. as well hopefully it works. Here is the Link [url]https://onedrive.live.com/redir?resid=8AF73C9C6C5952A6!6653&authkey=!AHOKUlxqw8XLGGM&v=3&ithint=photo%2cpng[/url]
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It was a reward from Crota and not from the rewards screen.