I couldn't miss the chance to practice my drawing!
Since this is such a powerful heal, the ability creates a huge amount of enmity against the caster. The ability is also infamous for the superboss Absolute Virtue's access to it, as it could completely negate hours of battle if it used late in the fight.
Benediction is a White Mage ability available after completing the "Heart of the Forest" job quest at level 50. When used, the ability fully restores the HP of a single party member.
Bravely Second: End Layer
Benediction is a level 5 Holy Magic spell for the Bishop at job level 8. The target recovers 100% of their maximum HP. This spell can be group-cast, and will deal damage to undead foes. Group-casting will decrease potency. HP recovered will be capped at at 9,999 when not using Bravely Second. It costs 24 MP to cast. It can be bought in Florem and Chompshire for 3200 pg.
"Benediction" comes from Latin and means "to speak well". It is a short invocation for divine help, blessing and guidance, usually at the end of worship service.