Attack Card

Attack Cards (アタックカード) are a type of Card in Kingdom Hearts Chain of Memories. Attack Cards have red borders, and allow Sora and Riku to attack with their weapon. Sora's Attack Cards represent the various Keyblades obtained in  and Kingdom Hearts Final Mix, excluding the Jungle King, while Riku only has Attack Cards with his Soul Eater. They can use up to three attack cards at once in a three-hit combo, which for Riku while in Dark Mode, his second hit can stun normal enemies, and the third hit can stike multiple times.

Kingdom Hearts Re:Chain of Memories adds six new Attack Cards based on Keyblades from Kingdom Hearts II, available as an extra Room of Rewards reward for having a completed Kingdom Hearts II Final Mix save file for the Japanese version, or after completing the game for the North American version. Additionally, a generic Keyblade Attack Card is available during the Bumble-Rumble mini-game. In Reverse/Rebirth, during the fight against Zexion, he can place a fake Soul Eater Card in Riku's deck, which will stun Riku when it is used.

In the Kingdom Hearts HD 1.5 ReMIX version, four of those Attack Cards are replaced with Attack Cards based on Keyblades from Kingdom Hearts 358/2 Days, and the unlock condition changed to having completed Kingdom Hearts 358/2 Days.

Differences in gameplay between both Sora and Riku's use of Attack Cards, is that for Sora, each card has different attributes which affects the strength of his attacks, speed, and recovery rate after that card is broken and some also have elemental attributes. It also affects how much CP is required to equip the card with 1 being the lowest and 0 being the highest. One example is that cards with higher attack attibutes generally require more CP to equip than ones with lower attibutes. For Riku, due to his inability to acquire new types of attack cards, he can instead raise his Attack Power or AP at certain levels instead, with 30 being the highest.

Attack Cards can be combined into Attack Sleights, which require a combination of three of the same, different, or any Attack Cards instead of specific Attack Cards. A random Attack Card is sometimes required for other Sleights as well.

Certain bosses also use Attack Cards, which show their face rather than their weapon. In Kingdom Hearts Re:Chain of Memories, Zexion can use Riku's Soul Eater Cards.

Notes and references
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Cartes Attaque Angriffskarten