Enthunder (ability)

Enthunder is a recurring ability. A supportive spell, it bestows the Enthunder status, which imibibes a character's attacks with the Lightning element.

Final Fantasy XI
Enthunder is exclusive to Red Mages and is learned at level 16.

Final Fantasy XIII
A Synergist spell, Enthunder can be learned by Sazh at level 4, as well as Lightning and Hope, both at level 7.