This article's content is accurate to the most recent public game version, 0.4.8d.
"Calls upon the Slime Queen's great vitality to heal wounds."
Cost: 6 MP
Source: Eric(a) - Siphoning the Slime Queen's Core.
Unnatural Vitality is a spell that restores a very high amount of HP to one ally.
The amount of HP this spell recovers is 100 more than Natalie's Healing Light. It is especially useful for quickly patching up a single injured target.