Various creatures, especially Spiders, Goblins and Orcs, can cause this effect.
Wraiths and Shades can reflect this effect upon any incoming Common, Westernesse, Ancient Dwarf-make or Fire damage (Terrible Retribution).
Suppressed Fear applies this effect upon expiration.
The following skills invoke this effect on an enemy target (unless immune):
- / : 15s duration; 30s with Little Annoyances equipped, 1 target.
- with 4 traits in The Trapper of Foes line: duration 30s, 1 target.
- : duration 30s, 5 targets; up to 10 targets with a legacy.
- : duration 30s, 5 targets.
- : duration 30s, 3 targets; 8 targets with the Deep Lore trait equipped.