Ariel
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 The youngest daughter of King Triton said to have the most beautiful singing voice.
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| Kana | アリエル | ||||||
| Romaji | Arieru | ||||||
| JP Set | 23 | ||||||
| EN Set | 20 | ||||||
| Class | Type | Attributes | |||||
| Event | Attack | Magic | Upright | ||||
| STR | DEF | Trait Slots | Spirit Points | ||||
| 5615 | 5696 | 3 | 20 / 24 | ||||
| Replenishing Waters +5 | |||||||
| Raises STR by 6 tiers for 1 turn. Lowers target's DEF by 1 tier for 1 turn. Restores 5 gauges. | |||||||
| Damage (Base) | x1.47 | Target |  Single
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| Damage (5 dots) | x1.67 | Gauges | 0 | ||||
| Damage (Max) | x4.68 | SAB Tier |  6
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Ariel is an Event Attack Medal in Kingdom Hearts Unchained χ / Union χ.
In the Japanese version, it was available during the Little Mermaid Event from July 1 to 6, 2017.
In the English version, it was available during the thirtieth High Score Challenge from November 27 to December 4, 2017. Players that managed to rank within the top 1000 received a boosted version of Ariel that has 1,000 more base strength and defense.[1]