EXTENDED MAINTENANCE - All platforms (including test shards) across all Cryptic titles will be down May 29 from 5am to 11am PDT
Soloing Stronghold Heroics fails to give Heroic Shard sometimes
It happens particularly doing "Giants," but happens in others as well. I haven't been able to figure out a pattern. It may be because I did one or two Tier 1's first, but not sure.