Changes
** Furthermore, Xyz Monsters are allegedly destined to destroy the ZEXAL multiverse, similar to how Synchro Monsters destroy the world in the future of [[Yu-Gi-Oh! 5D's]].
** Yusei's, Jack's, Yuma's and Shark's signature cards belong to the monster Types introduced within their respective series ("[[Stardust Dragon]]" and "[[Red Dragon Archfiend]]" are Synchro Monsters, while "[[Number 39: Utopia]]" and "[[Number 32: Shark Drake]]" are Xyz Monsters).
*** Yusei's and Jack's signature cards each have at least one upgraded form, and all of those [[Cosmic Synchro Monster|upgraded]] forms , are Synchro Monsters. Yuma and Shark's [[Number C|upgraded monsters]] follow a similar principle, but as Xyz Monsters.
* The [[Xyz Monster]]s have black borders and their stars on the left side of the card, much like the [[Dark Synchro Monster]]s used in [[Yu-Gi-Oh! 5D's]].
* When Kite is Dueling, after his outfit [[Photon Transformation|changes color]], he bears a striking resemblance to [[Jack Atlas]].<ref name="ep13">{{episode|Yu-Gi-Oh! ZEXAL|13|ref}}</ref><ref name="ep41">{{episode|Yu-Gi-Oh! ZEXAL|41|ref}}</ref>
* [[Rio Kastle]] and [[Luna]] share common traits with each other; they both have older [[Reginald Kastle|twin]] [[Leo|brothers]] and they have connections to two different worlds: the [[Barian World]] and the [[Duel Monster Spirit World]].
* [[Rei Shingetsu]] is similar to [[Bruno|Vizor]], as they were both originally affiliated with a main antagonist in some way (Vizor with [[Z-one]] and Rei with the Barians (namely [[Vector]]) and that they both masquerade as best friends to the protagonist (Vizor with Yusei and Rei with Yuma) only to later reveal their real identities.
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