[Yeah. With the way things have been going lately and all the extra nonsense Shard-bearers get to deal with on a daily basis, isolating the root cause of a lot of symptoms could get murky.]

Broadest and most common are fatigue, sharp localized pains, and trouble breathing. So yeah, not really easy to narrow it down with those.

[It gets more granular from there, but its not worth getting into, not unless they’re sure. But there is one more prominent exception.]

You’re not far off on the crystallizing thing, though. Black crystals appearing on the skin are the thing to look for.