Mending Refrain

Acquisition
Skill quests
 * Primary Training (Churrhir Fields)
 * Choose Your Secondary Profession (Nightfall) (Churrhir Fields)

Skill trainers
 * Tohn (Kamadan, Jewel of Istan)
 * Medando (Yohlon Haven)

Profession changers
 * Core
 * Profession Changer (NPC) (Great Temple of Balthazar)
 * Factions
 * Senji (Senji's Corner)
 * Nightfall
 * Zuwarah (Command Post)

Trivia

 * This skill is based on a famous joke known as Echo Mending; using Echo and then Mending, you'll have two Mendings on your bar and will be invincible.