Greater healing

From LSWiki

[Spell      :] Greater Healing
[Level      :] Six
[Reversible :] No
[Spheres    :] Healing
[Components :] A unity stone
[Usage      :] cast greater healing [on <target>]
[Effect     :] When greater healing is cast, the target's
               wounds will receive a tremendous amount of
               healing.   If a target is not supplied the
               caster becomes the target.  A given subject
               can only benefit from one instant healing
               effect in a certain period of time.