Last week I joined three random groups for Crota hard checkpoints. None had Swordbearer, so I ran sword on all three characters.
I got all repeat rewards... just waiting on the damn crux to drop =\
Update 10:02pm eastern time
Ran sword on all three characters again. No crux =\
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I finally got it last night. I'd been waiting for WoC too and that dropped in the same raid : ) Just keep at it!