Thunder

Thunder, Thundara, and Thundaga magic are attacks used by Sora, Donald, and other characters and enemies that utilize the element of Electricity. There is a fourth level, Thundagun; however, it is never obtained in terms of magic.

Acquiring

 * Kingdom Hearts
 * Thunder: Learned after completing Philoctetes.
 * Thundara: Upgraded after defeating the giant Ursula.
 * Thundaga: Upgraded after defeating Cerberus in the Hades Cup
 * Kingdom Hearts: Chain of Memories
 * Thunder: A Magic Card obtained after defeating Larxene for the first time.
 * Thundara: Stock 2 Thunder Cards.
 * Thundaga: Stock 3 Thunder Cards.
 * Kingdom Hearts II
 * Thunder: Defeat the Hydra (Olympus Coliseum)
 * Thundara: Upgraded after Defeat Storm Rider (Land of Dragons)
 * Thundaga: Upgraded after Defeat Groundshaker (Pride Lands)

Enemies that use Thunder Magic

 * Yellow Opera
 * Devastator
 * Bookmaster
 * Wizard
 * Ursula
 * Groundshaker
 * Larxene

Other Usage

 * In Kingdom Hearts, the Thunder terms are used to mark the ranks of the Blaster Gummi Blocks.
 * In Kingdom Hearts II, Thunder are used to mark the ranks of the laser-like Blaster Gummi Blocks.