Life Siphon

Description
For 12...22 seconds, target suffers Health degeneration of 1...3, and you gain Health regeneration of 1...3.

Acquisition
Skill Quests: Skill Trainers: Signet of Capture:
 * The Necromancer's Novice (The Catacombs - Pre-Searing)
 * The Stolen Artifact (Sardelac Sanitarium)
 * Sir Bertran (Ascalon City)
 * Dakk (Ember Light Camp)
 * Ignis Effigia (Perdition Rock)
 * Mragga (Frozen Forest)
 * ... more to be added ...

Note

 * This spell's positive effects stack with each other. Casting it on 3 different foes will result in 3 times the health regeneration for oneself.
 * Ends prematurely if caster dies