Winnowing

Acquisition
Skill quests Skill trainers Hero skill trainers
 * Prophecies
 * Into the Unknown (Augury Rock)
 * Prophecies
 * Bartoch (Droknar's Forge)
 * Dakk (Ember Light Camp)
 * Factions
 * Xu Fengxia (Ran Musu Gardens)
 * Michiko (Kaineng Center)
 * Akane (Senji's Corner)
 * Nightfall
 * Godaj (Lair of the Forgotten)