Blizzard Boost

Blizzard Boost (ブリザドアップ) is an ability that appears in Kingdom Hearts: Chain of Memories, Kingdom Hearts II, and Kingdom Hearts Birth by Sleep. It increases the damage the user inflicts with Blizzard-based attacks.

Mechanics
In Kingdom Hearts: Chain of Memories, Blizzard Boost is an enemy card effect that costs 20 CP to add to the deck and lasts for one reload.

In Kingdom Hearts II, Blizzard Boost is a Support ability that costs 4 AP to equip.

In Kingdom Hearts Birth by Sleep, Blizzard Boost is a Support ability that can be installed up to three times.

Kingdom Hearts: Chain of Memories

 * The Blue Rhapsody enemy card has Blizzard Boost as its effect.
 * The Black Fungus enemy card can randomly activate Blizzard Boost.
 * The Darkside enemy card can mimic an enemy's Blizzard Boost.

Kingdom Hearts II

 * Sora learns Blizzard Boost at level 32 with the Dream Rod, 39 with the Dream Sword, and 59 with the Dream Shield.
 * Donald learns Blizzard Boost after defeating Demyx at Hollow Bastion.
 * Jack Skellington has Blizzard Boost as a default ability.
 * The Mysterious Abyss has Blizzard Boost as its Equipment Ability.

Kingdom Hearts II Final Mix

 * Sora learns Blizzard Boost at level 32 with the Dream Rod, 39 with the Dream Sword, and 59 with the Dream Shield.
 * Donald learns Blizzard Boost after defeating Demyx at Hollow Bastion.
 * Jack Skellington has Blizzard Boost as a default ability.
 * The Mysterious Abyss has Blizzard Boost as its Equipment Ability.
 * The Spell's Relic has Blizzard Boost as its Equipment Ability.

Kingdom Hearts Birth by Sleep

 * Blizzard Boost can be attached to a or  Command recipe through Command Melding, either randomly or by applying a Shimmering Crystal.