Mega Flare

Mega Flare (メガフレア) is a technique introduced in Kingdom Hearts: Chain of Memories. It allows the user to summon a fireball that creates a blinding, screen-distorting explosion that heavily damages all enemies on-screen, dealing damage.

Mechanics
In Kingdom Hearts: Chain of Memories, Mega Flare is a magic sleight that can be used by Sora. Its card combination is:

In Kingdom Hearts Birth by Sleep, Mega Flare is an Ultimate that takes up two slots in the Command Deck, has a maximum level of 6 and a normal reload time of 50 seconds, 25 seconds in the original Japanese version, and fills the Command Gauge by 55%. In the international and Final Mix releases, the power of Mega Flare was reduced from the original Japanese release for the purpose of balancing combat.

In Kingdom Hearts Re:coded, Mega Flare is a Simple Type.

In Kingdom Hearts 3D: Dream Drop Distance, Mega Flare is a that uses two slots in the Command Deck and has a reload time of 46 seconds. It grants +4 to and +30 to Fire Resistance when attached to a Dream Eater recipe. While in Dive Mode, Mega Flare is a special magic attack that can be used twice. In Flick Rush, Mega Flare is an Evolved command that deals full damage to the opponent's active Spirit, and halve damage on the opponent's inactive Spirits.

Kingdom Hearts Chain of Memories

 * Sora can learn Mega Flare when he reaches level 52.

Kingdom Hearts Re: Chain of Memories

 * Sora can learn Mega Flare when he reaches level 57.

Kingdom Hearts Birth by Sleep

 * Terra, Ventus, and Aqua can create Mega Flare through Command Melding.

Kingdom Hearts Re:coded

 * Data-Sora can obtain Mega Flare from a rare prize box in Library 2.

Kingdom Hearts 3D: Dream Drop Distance

 * Sora and Riku can purchase Mega Flare from the Ryu Dragon Ability Link for 400 Link Points.
 * Sora and Riku can purchase Mega Flare from the Tyranto Rex Ability Link for 400 Link Points.
 * In Dive Mode, Sora can obtain Mega Flare by picking up an orange magic prize in the following Dives:
 * In Dive Mode, Riku can obtain Mega Flare by picking up an orange magic prize in the following Dives:
 * Yoggy Ram can use Mega Flare as its evolved command.
 * Pricklemane can use Mega Flare as its evolved command.
 * Hebby Repp can use Mega Flare as its evolved command.
 * Chef Kyroo can use Mega Flare as its evolved command.
 * Tatsu Blaze can use Mega Flare as its evolved command.
 * Eaglider can use Mega Flare as its evolved command.
 * Drill Sye can use Mega Flare as its evolved command.
 * Tyranto Rex can use Mega Flare as its evolved command.
 * Ryu Dragon can use Mega Flare as its evolved command.
 * Drak Quack can use Mega Flare as its evolved command.
 * Ursa Circus can use Mega Flare as its evolved command.
 * Eaglider can use Mega Flare as its evolved command.
 * Drill Sye can use Mega Flare as its evolved command.
 * Tyranto Rex can use Mega Flare as its evolved command.
 * Ryu Dragon can use Mega Flare as its evolved command.
 * Drak Quack can use Mega Flare as its evolved command.
 * Ursa Circus can use Mega Flare as its evolved command.

Kingdom Hearts Birth by Sleep
Mega Flare is an Ultimate-class Magic Command that can be melded through one recipe, listed in the Giga Magic Recipe.
 * The recipe can be melded by Terra, Ventus, and Aqua, and is a recipe.
 * Fission Firaga (LV4) + Crawling Fire (LV4)

Kingdom Hearts Birth by Sleep
Young Xehanort uses a technique similar to Mega Flare in his battle against Terra, Ventus, and Aqua.

Origin
Mega Flare is a recurring attack in the Final Fantasy series. It often appears as the Summon creature Bahamut's signature attack. It is depicted as an upgraded form of the Flare spell, and deals massive non-elemental damage to all enemies.