KH III Hiro
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 A boy genius living in San Fransokyo and a member of Big Hero 6.
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| Kana | KHIII ヒロ | ||||||
| Romaji | KHIII Hiro | ||||||
| JP Set | 43 | ||||||
| EN Set | 36 | ||||||
| Class | Type | Attributes | |||||
| Super Rare | Attack | Magic | Upright | ||||
| STR | DEF | Trait Slots | Spirit Points | ||||
| 6067 / 7873 | 5884 / 7636 | 5 | 120 / 144 | ||||
| Charging Strike +5 | |||||||
| Deals 15 hits. 1 turn: 10 DEF, targets -2 PSM-STR. Damage+: Higher HP. Gauge +2. | |||||||
| Damage (Base) | x1.55 - 5.15 | Target |  All
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| Damage (5 dots) | x1.62 - 5.41 | Gauges | 0 | ||||
| Damage (Max) | x5.35 - 17.85 | SAB Tier |  8
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 A boy genius living in San Fransokyo and a member of Big Hero 6.
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| Kana | KHIII ヒロ | ||||||
| Romaji | KHIII Hiro | ||||||
| JP Set | 43 | ||||||
| EN Set | 36 | ||||||
| Class | Type | Attributes | |||||
| Super Rare | Attack | Magic | Upright | ||||
| STR | DEF | Trait Slots | Spirit Points | ||||
| 9328 / 12712 | 9115 / 12441 | 5 | 120 / 144 | ||||
| Charging Strike +6 | |||||||
| Deals 15 hits. 1 turn: 10 DEF, targets -2 PSM-STR. Damage+: Higher HP. Gauge +2. | |||||||
| Damage (5 dots) | x6.78 - 10.57 | Target | All
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| Damage (Max) | x22.37 - 34.88 | Gauges | 0 | ||||
| Subslot | +0.025% | SAB Tier | 8
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A boy genius living in San Fransokyo and a member of Big Hero 6.
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| Kana | 《SB》 KHIII ヒロ | ||||||
| Romaji | <SB> KHIII Hiro | ||||||
| JP Set | 43 | ||||||
| EN Set | 36 | ||||||
| Class | Type | Attributes | |||||
| Super Rare | Attack | Magic | Upright | ||||
| STR | DEF | Trait Slots | Spirit Points | ||||
| 13496 / 16640 | 13336 / 16301 | 5 | 120 / 144 | ||||
| Charging Strike +6 | |||||||
| Deals 15 hits. 1 turn: 10 DEF, targets -2 PSM-STR. Damage+: Higher HP. Gauge +2. | |||||||
| Damage (5 dots) | x6.78 - 10.57 | Target | All
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| Damage (Max) | x22.37 - 34.88 | Gauges | 0 | ||||
| Subslot | +0.025% | SAB Tier | 8
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| Supernova | |||||||
| Upright Strike M | |||||||
| 1 turn: ↑ DEF 5, ↓ target's PSM-STR 5. Triggers before slot 3 is activated when defending in PVP. | |||||||
| Damage | x120.00 | Target |  Single
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KH III Hiro is a Super Rare Attack Medal in Kingdom Hearts Unchained χ / Union χ.
KH III Hiro can be evolved into Supernova - KH III Hiro by using 5 Dual Meow Wow [SAB LV 8] Medals.
In the English version, KH III Hiro was first available in the 03/15/19 - 03/21/19 KHIII Deals. In these deals, players had a small chance of drawing a boosted version of KH III Hiro that has 1,000 more base strength and defense.[1]