Main article: Infinity Number: Ultimate Evolution God A-RISA

Arisa is the female Evolution God (originally a female human) and true main antagonist and mastermind who was Samuel Nakaoka and Maki's true original form. She used the villains like Carol, Yubel, Don Thousand, Reginald, Lysandre and Zamasu, thus she successfully complete her plan in order to resurrect her. She even creates her servants like Zorc. She was the true creator of BEASTs as well the Four Beasts of Sin, Four Dimension Dragons and Distortion Dimension Natures.

According to Zarc, Arisa is the angry human who disrupts the natures of Zarc and Ray and punishes two of them by forcibly fuse them with herself into the ultimate Evolution God, thus abandoning her humanity.

After fusing with Samuel Nakaoka soul by Leona West who used the Final Polymerization into new Samuel Nakaoka (Arisa), however, she does not forgive humanity who tries to save Nagisa. However, she with her incarnated form and their other half Maki Himekawa were slowly redeemed by an redeemed Parad and Leona though Samuel Nakaoka's memories was tainted by Arisa.

As with they were slowly redeemed, Zuzu obtains the ultimate Numberon card that allows to restore to it's original state but Samuel Nakaoka did not allows that before his memories was fully recovered only found the shockingly reveals that Samuel Nakaoka the Second is the great-grandson of Acnologia and Lucy Heartfila, inherited from his great-grandmother's hatred of Queen Drakcel after she pressed the Blood of Disciple.

Near in the end of the last season, she along with Samuel Nakaoka and Maki were finally redeemed because Samuel Nakaoka finally saying "Special Time!".


Early LifeEdit

Brajira's BetrayalEdit

The Ultimate FusionEdit

Because of Arisa's actions, she easily defeat both Zarc and Ray and fuse them forcibly by using the Ultimate Polymerization to become the ultimate Evolution God.

Incarnating Samuel Nakaoka and MakiEdit

Vs. VectorEdit

During the battle against Vector as Yuma and Astral were defused from the Dark ZEXAL, the shadowy Arisa appears in the purple mist, asking him to destroy everything.

Reginald's Murderous ActionsEdit

Kumon's RampageEdit

An shadowy Arisa reappears when Samuel Nakaoka used his huge amounts of anger to transforms into HeatBlaze Berserk. She was amused by Samuel Nakaoka used his anger.

Arisa consumes Samuel NakaokaEdit

Betrayed by Samuel Nakaoka's ruthless actions and his friends finally abandons him, the shadowy Arisa reappears at front of him, she asked him in order to use her powers in order to become evil.

Samuel Nakaoka's Last ReachEdit

As with Parad were beaten violently as Kuroto became worried about his old friend's rampages, Samuel Nakaoka is about to become Arisa with the everyone were horribly at Samuel Nakaoka the Second become. Before becoming Arisa, Zebra used Sound Claw to revert back to normal.

Arisa Finally AppearsEdit

As Kumon and the others finds and fight against an fully corrupted Samuel Nakaoka, she told Kumon and the others that 

Arisa vs. Zarc and Ray and Resurrection of Ultimate Evolution GodEdit

Arisa-Samuel head down to Zarc and Ray who joined forces to stop Arisa's rampages. Zarc asks Arisa that she sealed him and Ray, causing them to become distorted versions of themselves as Arisa blame them for fighting from the dimension in actions.

Arisa vs. Samuel Nakaoka's FriendsEdit

Samuel Nakaoka vs. ArisaEdit

Samuel Nakaoka's Real ReasonEdit

As for Samuel Nakaoka finally defeat the corrupted Zarc, Ray and Maki, she tell the real reason why Samuel Nakaoka was so angry. She tells the reason is Samuel Nakaoka want to save Natalie was false and his true reason is that he is actually want to kill Natalie much to Samuel Nakaoka and his friends' shocks in horror. He, however, told Arisa that is nonsense to himself and he never kill his own wife. Masasume horribly comments that Samuel Nakaoka is responisible for killing her before Arisa angrily calling her half a true traitor and real killer.

Samuel Nakaoka's MiracleEdit

Arisa's "Defeats"Edit

As Samuel Nakaoka the Second summoned S-AMUEL, Z-ARC and R-AY in his final turn, Arisa was finally defeated by combined efforts of three Nobles. Her defeat that cause Samuel Nakaoka need to destroys Arisa's Spirit Core where she will be no longer her existence. However, against Samuel Nakaoka's judgement, Leona used Final Polymerization on Samuel Nakaoka and Arisa to fuse and seals she and Samuel Nakaoka into one. This reason that Leona doesn't want to erase Arisa and he wanting her to be as a friend.

Samuel Nakaoka's DecisionEdit

Dismay about changing back into original state where the Rider War event is happening, Samuel Nakaoka the Second who being fused with Arisa does not want them to change back because he wanting to stay and make peace with Main World and Anime World. Peter warned him that his original incarnated form is the enemy as well Samuel Nakaoka's former friends and tries to explains in order to understand. However, Samuel Nakaoka tries to tells them to forget the change back into the original state and stays in peacefully only Zuzu intercept his words. As the Numberon Beasts combined into Numberon Card contains the ultimate card that allows to change or rewrite the future. Zuzu told Samuel Nakaoka that she used the ultimate card to permanently rewrite and restores the Rider War much to Samuel Nakaoka's shocks in horror. She also tell him that he and Arisa were erasing the Rider War because Tsukasa realize it was a test, but Samuel Nakaoka does not accept her to use the ultimate card and he told her about saving Tsukasa from starting the Rider War. Zuzu, angrily told Samuel Nakaoka because he was no longer her and everyone's friend before Samuel Nakaoka decides to go in one-on-one duel. Zuzu accepted, but she warns Samuel Nakaoka that she going to use his deck in order to defeat him. Zuzu also tell him that if he lose the duel, she will erase him and Arisa as punishment though he agrees the deal. Zuzu tell him that if he used his newly powerful deck was ready, she will accept the duel.

Arisa-Samuel's Rampage on ReginaldEdit

When Reginald (Nash) tries to kill Kumon and Tsumiki who were badly injured, Samuel Nakaoka's anger much to his other half's shocks causes to become Arisa-Samuel and fight violently. Samuel Nakaoka has gone berserk just like the previous brutal fight against Reginald (Nash) and thrashes Reginald, causing gravely injures him despite Kumon and Tsumiki tries to stop him. As an rampaging Arisa-Samuel Nakaoka tries to kill Reginald who wanting to his revenge for killing Nagisa by struggles him, his memories begin to recover. This cause Arisa-Samuel Nakaoka unwillingly let Reginald go from struggling.

Arisa-Samuel vs. Reginald (Nash)Edit

Arisa's Not-Quite RedemptionEdit

The Shocking Truth of SamuelEdit

When Acnologia appears beside with Samuel Nakaoka and his friends by striking Queen Drakcel who possessed Nagisa's body, Acnologia reveals them that he is Samuel Nakaoka (Arisa)'s great-grandfather which they became shocked. Acnologia told his descendant about the truth of he and Queen Drakcel. He then revealed to Samuel Nakaoka that Drakcel coldly tortures Lucy Heartfila by pressing the Blood of Disciple. He told Samuel Nakaoka that his hatred of Reginald is the same hatred that Lucy was consumed by imperial anger which she tries to kill Drakcel which she inherit her descendant. Samuel Nakaoka became stunned in horror that his imperial hatred was inherited by his great-grandmother; Lucy Heartfila, the member of Fairy Guild that he first met thought to be a friend before his past is revealed. Samuel Nakaoka (Arisa) tearfully hugged his great-grandmother and Acnologia manage to calm him down. Samuel Nakaoka asked his ancestors why did they hide their secrets which Acnologia told him about Drakcel's warning: To destroys all dragons as a hostage of Lucy Heartfila that if he tells everyone that Lucy was pregnant, Drakcel will murder Igneel and the others in order to gain new abilities. In order to prevent Drakcel, Acnologia hunt Igneel and the dragons in order to save them by sending to Spiritual World much as Samuel and Natsu's surprise.

The Final Battle: Samuel Nakaoka and ArisaEdit

Samuel Nakaoka and Arisa vs. ZuzuEdit

Arisa Finally RedemptionEdit

In the middle of the duel against Zuzu, Maki became confused at Samuel Nakaoka (Arisa) and asked why did he blame her and himself.

The Last JourneyEdit

Samuel Nakaoka (Arisa) and Maki set off the journey who need to find the place that he and Maki redeems their kindness. Samuel Nakaoka got a paper which his friends encouraging them to go to his final journey. Samuel Nakaoka's last words to his friends "Sayonara, All of the Worlds!" and the image of Samuel Nakaoka the Second, Maki Himekawa, Kuroto Dan and Masasume Dan with they all say "Special Time!".


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