Blessed Resurrection is a skill in the Heavenly Light skill tree of the Mage class.

Skill Description: Increase the amount of HP and MP regeneration for +x% when you use the Resurrection.
Required job: Second Job
Required skill(s): Party Resurrect
Required points: 35 points in Heavenly Light
Skill type: Passive Skill
LevelPercentage increased
1 20%
2 40%

Perhaps one of the worst skills to spend points in, this simply increases the amount of HP and MP a revived person comes back with. For most people, using a pot when they come back to life is more than enough.