Whirlwind

Acquisition
Skill Quests: Skill Trainers: Signet of Capture:
 * A Heart of Ice (Yak's Bend)
 * Firstwatch Sergio (Lion's Arch)
 * Dakk (Ember Light Camp)
 * Spasmo Thunderbolt (Diessa Lowlands)

Related Skills

 * Earthquake
 * Lightning Surge
 * Meteor
 * Meteor Shower
 * Mind Shock
 * Shock
 * Teinai's Wind
 * Thunderclap
 * Water Trident
 * Shield of Judgment (Monk)
 * Counter Blow (Warrior)
 * Earth Shaker (Warrior)
 * Shield Bash (Warrior)