Thunderstorm

Thunderstorm (サンダーストーム) is a technique in Kingdom Hearts Birth by Sleep. The attack consists of launching small salvos of electrical bursts at targets.

Mechanics
In Kingdom Hearts Birth by Sleep, Thunderstorm is a Shotlock that has a maximum level of 4 and max lock of 5. After the initial volley, the player can perform extra attacks by pressing at a specific time to fire additional blasts. The more accurate the player's button press, the more bursts will be fired.

Kingdom Hearts Birth by Sleep

 * Terra can obtain Thunderstorm from a chest in The Chateau.
 * Ventus can obtain Thunderstorm from a chest in the Mousehole.
 * Aqua can obtain Thunderstorm from a chest in the Foyer.

Trivia

 * Thunderstorm has the lowest number of maximum locks of any shotlock in the game.