Final Boss Xion
| This article is about one of the Medals based on Xion. You may be looking for other Xion Medals or other uses of Xion. |
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 The 14th member of Organization XIII. She battles Roxas in this form.
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| Kana | シオン 最終形態 Ver | ||||||
| Romaji | Shion Saishū Keitai Ver | ||||||
| JP Set | 22 | ||||||
| EN Set | 18 | ||||||
| Class | Type | Attributes | |||||
| Super Rare | Attack | Speed | Reversed | ||||
| STR | DEF | Trait Slots | Spirit Points | ||||
| 5747 | 5671 | 3 | 20 / 24 | ||||
| Dark Horizon +5 | |||||||
| Lowers targets' DEF by 2 tiers for 2 turns. Inflicts more damage the more gauges are full. | |||||||
| Damage (Base) | x2.61~3.85 | Target |  All
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| Damage (5 dots) | x0 | Gauges | 4 | ||||
| Damage (Max) | x | SAB Tier |  6
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Final Boss Xion is a Super Rare Attack Medal in Kingdom Hearts Unchained χ / Union χ.
When sharing a Final Boss Xion Medal, the Home Screen music changes to Xion's battle theme, "Vector to the Heavens".
In the English version, during the 09/29/17 - 10/08/17 EX Medal Deal, players had a small chance of drawing a boosted version of Final Boss Xion that has 1,000 more base strength and defense. During the period, the Medal came with its Special Attack strengthened to 3 dots.[1]