Thunder V is a tier V Black Magic spell in Final Fantasy XI. An upgraded version of the Thunder IV spell, it deals Lightning-based elemental damage to a single target. Thunder V is available to Black Mages, and Scholars are also able to use this spell while under the effects of Addendum: Black or Enlightenment. Red Mages and Geomancers gain access to this spell once they have earned 100 Job Points. Additionally, a Summoner's Thunder Spirit and certain setups of a Puppetmaster's Automaton are capable of casting this spell.