Frustration

Acquisition
Skill Trainers:
 * Medando (Yohlon Haven)

Hero Skill Trainers:
 * Warden of Whispers (Chantry of Secrets)

Trivia

 * Skill balancer Isaiah Cartwright, employee of ArenaNet, appears to have been the model used in the skill icon.

Related articles

 * Modify activation time skills quick reference