Staggering Force/Skill history

Acquisition
Skill trainers Hero skill trainers
 * Medando (Yohlon Haven)
 * Kenohir (Command Post)
 * Iasha (Wehhan Terraces)
 * Wedende (Dajkah Inlet)
 * Warden of Whispers (The Kodash Bazaar)

Nightfall release

 * Reduced recharge time to 12 seconds.

Nightfall PvE preview

 * Increased recharge time to 20 seconds.
 * Increased duration of Weakness to.
 * Decreased damage to.