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Two-Edged Blade (ペインアタック, Peinu Atakku?, lit. "Pain Attack") is an ability that appears in Kingdom Hearts Re:coded. It allows the user to deal much more damage with their basic attack and attack commands, but drains their HP with every hit.
In Kingdom Hearts Re:coded, Two-Edged Blade is an Overclock ability.
Learning Two-Edged Blade