Ars Arcanum

Ars Arcanum(アルス秘薬 Arusu Hiyaku and in a few games ラストアルカナム Lasuto Arukanamu) is an ability that appears in the Kingdom Hearts series. It allows Sora to attack enemies with a massive combo attack.

Kingdom Hearts
Ars Arcanum is an ability gained in Kingdom Hearts by defeating Captain Hook in Neverland.

AP Cost: 4AP Auto-Reaction availability:Yes MP Cost: 3 Effect: When close to a ground enemy. Description: A powerful flurry of blows. After the initial flurry, the "Bash" command will appear. Selecting it will make Sora execute a follow-up slash. After a number of successful Bash attacks, the "Finish" command will appear. This command will trigger a back-flip slash followed by a wide horizontal front flip slash.

Kingdom Hearts: Chain of Memories
Ars Arcanum is a Sleight in Kingdom Hearts: Chain of Memories it attacks enemies in a nine-hit combo. It can only be made when a player stocks a card combo with the total number of 1-6.

Kingdom Hearts II: Final Mix+
Ars Arcanum, along with four other abilities, returns as a combo finisher in Sora's Limit Form. The attack is composed of a massive Keyblade combo.

Kingdom Hearts 358/2 Days
Ars Arcanum appears once again as Xion's 3rd form's special attack, only this time, using four swords.

Trivia

 * In correct Latin, the term would be Ars Arcana, which translates to secret skill.