Isa
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 Cool, collected, and mature beyond his age. He's good friends with Lea.
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| Kana | アイザ | ||||||
| Romaji | Aiza | ||||||
| JP Set | 9 | ||||||
| EN Set | 8 | ||||||
| Class | Type | Attributes | |||||
| Rare | Attack | Power | Upright | ||||
| STR | DEF | Trait Slots | Spirit Points | ||||
| 4263 | 4251 | 1 | 15 / 18 | ||||
| Magic Saucer +4 | |||||||
| Deals 3 slightly powerful hits. | |||||||
| Damage (Base) | x2.22 | Target |  Single
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| Damage (3 dots) | x0 | Gauges | 0 | ||||
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 Cool, collected, and mature beyond his age. He's good friends with Lea.
| |||||||
| Kana | アイザ | ||||||
| Romaji | Aiza | ||||||
| JP Set | 9 | ||||||
| EN Set | 8 | ||||||
| Class | Type | Attributes | |||||
| Rare | Attack | Power | Upright | ||||
| STR | DEF | Trait Slots | Spirit Points | ||||
| 5497 | 5482 | 1 | 15 / 18 | ||||
| Magic Saucer +5 | |||||||
| Deals 6 slightly powerful hits. | |||||||
| Damage (Base) | x2.28 | Target | Single
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| Damage (5 dots) | x0 | Gauges | 0 | ||||
| Damage (Max) | x | SAB Tier |  3
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Isa is a Rare Attack Medal in Kingdom Hearts Unchained χ / Union χ.
In the English version, during the 11/25/16 - 12/02/16 Black Friday Deal, players had a small chance of drawing a boosted version of Isa that has 1,000 more base strength.