World of Chaos
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 A titanic battleship Heartless created from darkness by Ansem, Seeker of Darkness.
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| Kana | ワールドオブカオス | ||||||
| Romaji | Wārudo obu Kaosu | ||||||
| JP Set | 16 | ||||||
| EN Set | 12 | ||||||
| Class | Type | Attributes | |||||
| Super Rare | Attack | Magic | Reversed | ||||
| STR | DEF | Trait Slots | Spirit Points | ||||
| 5706 / 7405 | 5619 / 7292 | 2 | 20 / 24 | ||||
| Dark Laser +5 | |||||||
| Deals 7 immensely powerful hits. Raises Magic-based strength by 2 tiers for 2 turns. | |||||||
| Damage (Base) | x2.70 | Target |  All
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| Damage (5 dots) | x3.10 | Gauges | 3 | ||||
| Damage (Max) | x7.75 | SAB Tier |  5
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 A titanic battleship Heartless created from darkness by Ansem, Seeker of Darkness.
| |||||||
| Kana | ワールドオブカオス | ||||||
| Romaji | Wārudo obu Kaosu | ||||||
| JP Set | 16 | ||||||
| EN Set | 12 | ||||||
| Class | Type | Attributes | |||||
| Super Rare | Attack | Magic | Reversed | ||||
| STR | DEF | Trait Slots | Spirit Points | ||||
| 8907 / 12177 | 8806 / ??? | 2 | 20 / 24 | ||||
| Dark Laser +6 | |||||||
| Deals 7 hits. 2 turns: ↑ R-STR by 3, M-STR by 2. | |||||||
| Damage (5 dots) | x8.26 | Target | All
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| Damage (Max) | x20.65 | Gauges | 3 | ||||
| Subslot | +0.012% | SAB Tier | 5
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World of Chaos is a Super Rare Attack Medal in Kingdom Hearts Unchained χ / Union χ.
In the English version, during the 03/29/17 - 04/17/17 Epic Medal Carnival, players had a small chance of drawing a boosted version of World of Chaos that has 1,000 more base strength and defense. During the period, the Medal came with its Special Attack strengthened to 3 dots.[1]