Cry of Frustration

Description
If target foe is using a skill, that foe and nearby foes are interrupted and suffer 10...37 damage.

Acquisition
Skill Quests: Skill Trainers: Signet of Capture:
 * None
 * Ephaz (Beetletun)
 * Master Scout Kiera (Henge of Denravi)
 * Dakk (Ember Light Camp)
 * Gale Stormsend (Sage Lands, only while doing the quest Eye for Profit)
 * Grech Trundle (The Wilds)
 * Hepp Bilespitter (Bloodstone Fen)
 * ... more to be added ...