発勁 [hakkei] or 'release internal power' in Japanese. Not to be confused with Penance, as the two's Japanese names are exceedingly similar.
A Realm Reborn

Type: Pugilist Ability
Learn: PGL12, Use: DoW classes, DoM classes, BRD, DRG, MNK, NIN, WAR
Cast time: (instant), Recast: 60 s, Duration: 15 s
Potency: -, Range: 0, Radius: 0
Description: Increases critical hit rate by 10%
Other: modified by Enhanced Internal Release
Record Keeper

Type: Soul Break, Rarity: -
Target: all allies, Element: -, Gauge cost: 1 bar
Learn: Yda (equip Temple Gloves (XIV))
Effect: Raises the MND of all allies for a set period of time (effect: moderate), as well as their critical hit rate (effect: large)
Category: Ability