- Patch 5.0.4 (2012-08-28): Redesigned. You and your demon absorb nearby wandering souls, regenerating 2% health every second while out of combat. This effect is disabled in arenas.
- Patch 4.2.0 (2011-06-28): Updated with new spell effect.
- Patch 4.0.1 (2010-10-12): Added.