Zack A
| This article is about the "Zack A" Medal. You may be looking for the "Zack B" or "HD Zack" Medals. |
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 An optimistic and cheerful boy who longs to become a hero.
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| Kana | ザックス | ||||||
| Romaji | Zakkusu | ||||||
| JP Set | 3 | ||||||
| EN Set | 2 | ||||||
| Class | Type | Attributes | |||||
| Rare | Attack | Power | Upright | ||||
| STR | DEF | Trait Slots | Spirit Points | ||||
| 4291 / 5386 | 4037 / 5067 | 1 | 15 / 18 | ||||
| Zantetsuken +4 | |||||||
| Inflicts more damage the lower your HP. | |||||||
| Damage (Base) | x1.36 - 2.22 | Target |  All
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| Damage (3 dots) | x1.52 - 2.49 | Gauges | 2 | ||||
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 An optimistic and cheerful boy who longs to become a hero.
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| Kana | ザックス | ||||||
| Romaji | Zakkusu | ||||||
| JP Set | 3 | ||||||
| EN Set | 2 | ||||||
| Class | Type | Attributes | |||||
| Rare | Attack | Power | Upright | ||||
| STR | DEF | Trait Slots | Spirit Points | ||||
| 5534 / 7181 | 5206 / 6756 | 1 | 15 / 18 | ||||
| Zantetsuken +5 | |||||||
| Inflicts more damage the lower your HP. | |||||||
| Damage (Base) | x1.41 - 2.31 | Target | All
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| Damage (5 dots) | x1.67 - 2.75 | Gauges | 2 | ||||
| Damage (Max) | x3.34 - 5.50 | SAB Tier |  3
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 An optimistic and cheerful boy who longs to become a hero.
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| Kana | ザックス | ||||||
| Romaji | Zakkusu | ||||||
| JP Set | 3 | ||||||
| EN Set | 2 | ||||||
| Class | Type | Attributes | |||||
| Rare | Attack | Power | Upright | ||||
| STR | DEF | Trait Slots | Spirit Points | ||||
| 8706 / 11921 | 8324 / 11435 | 1 | 15 / 18 | ||||
| Zantetsuken +6 | |||||||
| Inflicts more damage the lower your HP. | |||||||
| Damage (5 dots) | x6.84 - 7.91 | Target | All
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| Damage (Max) | x13.68 - 15.82 | Gauges | 2 | ||||
| Subslot | +0.005% | SAB Tier | 3
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Zack A, previously known as "Zack", is a Rare Attack Medal in Kingdom Hearts Unchained χ / Union χ.