1. herald shows ire only after killing X unique/champs. Trash mob kills don't influence that. The trigger for them to spawn (hunt you) can be multiple things like just exploring a map, killing more monsters, or changing zones. Just keep playing normally and they'll spawn eventually.
2. the drop odds of a sunder from heralds are given in this chart (not mine):
This post was edited by unitedcows on Feb 27 2026 02:02am