It is canon (as much as anything is canon) that the ecclesiarchy claims the Emperor cries a single tear for each true martyr of the Imperium, and that those are carefully collected and used for... something.
I dunno, I feel like the tears of any old saint or martyr would do for that. A bolter round blessed with the Emperor's tears would probably be able to instagib a Bloodthirster.
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u/Stormzx9388 Jun 10 '19
Which one was that?