#1 - Sept. 26, 2016, 6:29 p.m.
The 3 Shards I start with are the only Shards I ever have.
I've even done a couple boss quests where I Agony'd about 10 Horde and killed the boss over the course of about 3 minutes. Zero Shards generated. Only had the initial 3.
If it's not one thing, it's another, man.