From Final Fantasy XIV A Realm Reborn Wiki
Succor is an action unlocked by questing at level 35. It's available for Scholar.“
Restores own HP and the HP of all nearby party members.
- Cure Potency: 180
- Additional Effect: Erects a magicked barrier which nullifies damage equaling 125% of the amount of HP restored.
- Duration: 30s
- Effect cannot be stacked with astrologian's Nocturnal Field.
— In-game description