Life Siphon

Acquisition
Skill Quests:
 * Prophecies
 * The Necromancer's Novice (The Catacombs, in Pre-Searing)
 * The Stolen Artifact (Sardelac Sanitarium)
 * Factions
 * Locate Reng Ku (Shing Jea Monastery)
 * Nightfall
 * Primary Training (Churrhir Fields)
 * Choose Your Secondary Profession (Nightfall) (Churrhir Fields)

Skill Trainers: Profession Changers:
 * Prophecies
 * Sir Bertran (Ascalon City)
 * Dakk (Ember Light Camp)
 * Core
 * Profession Changer (NPC) (Great Temple of Balthazar)
 * Prophecies
 * Zratha Kor (Heroes' Audience)
 * Factions
 * Senji (Senji's Corner)
 * Nightfall
 * Zuwarah (Command Post)

Related skills

 * (Elite)