Star and Stripe Arc

The Star and Stripe Arc is the twentieth story arc in My Hero Academia, and the second story arc in the Final Act Saga.

With Tomura Shigaraki's body nearly complete, All Might requests immediate aid from the foreign Heroes. Enter America's No. 1 Hero, Star and Stripe, arriving to help defeat the villain. But "Tomura" is prepared to fight back, and do anything to accomplish All For One's next goal: stealing her Quirk, New Order.

Story Impact

 * The remaining members of the League of Villains are revealed to be hiding out in a secret cave enclove, with Spinner watching over All For One.
 * Learning of Star and Stripe's impending arrival, All For One plans to use this opportunity to send Tomura out to steal her Quirk.
 * Skeptic has regained contact with the remnants of the Paranormal Liberation Front, having them continue to fight and gain more support.
 * Star and Stripe and her army of fighter jets on their way to meet up with the Japanese Heroes are confronted by "Tomura Shigaraki", riding a flying Near High-End Nomu, and prepare to battle.
 * Star and Stripe's Quirk is revealed to be "New Order", allowing her to declare a new rule of up to two things that she touches and says the name of.
 * She was saved by All Might at a young age when he was in America, which inspired her to become a Hero.
 * Tomura and All For One have begun to fuse together into a new being, with it already at 98% completion after only a month due to Tomura's extreme hatred speeding up the process.
 * "Tomura" in the outer world finds himself confused regarding his own identity, believing himself to be both Tomura and All For One.
 * "Tomura" is able to figure out the depth of the mechanics of New Order.
 * A rule supposedly can't arbitrarily involve things she hasn't touched.
 * The Quirk is most effective on nonliving objects, as it only requires Star's one-sided understanding of the target's name, whereas for living beings, the target must also recognize themselves as that name.
 * After using several powerful techniques to take "Tomura" down, which only end up temporarily restraining him, Star and Stripe calls in for a fleet of missiles known as Tiamat to throw at him.
 * She redirects the missiles with the intention of vaporizing him, however "Tomura" at the last minute uses the Nomu as a distraction, while he Decays himself inside the Earth to barely escape most of the blast.
 * "Tomura" successfully touches Star's face and begins to Decay her and steal New Order, while she uses a rule to try and stop the Decay, only for it to just be delayed, reaching the limit of how strong she can make her body.
 * Before he can use New Order after stealing it, "Tomura" suddenly begins to explode from the inside.
 * Before it was stolen, Star imposed a rule that it will revolt against other Quirks located in the user's body. With that, Star and Stripe's vestige starts destroying Tomura and All For One from within, as well as the other rampaging Quirks.
 * "Tomura"'s Reflect Quirk is destroyed, which gives the fighter squad the opportunity to fire on him and finally finish him off.
 * With her vestige and Quirk within "Tomura"'s body, Star and Stripe's body decays, after internally thanking All Might for allowing her to indulge in her dream.
 * "Tomura" escapes the battlefield using the Wing Quirk taken from the remains of the Nomu.
 * He attempts to preserve New Order in the body of a prison escapee, Kashiko Kashi, but the Quirk is destroyed after revolting against and destroying many of "Tomura"'s Quirks.
 * Deep within the core of Tomura and All For One, Tenko Shimura calls out for Izuku Midoriya.
 * The nations of the world withdraw their plans to aid Japan after hearing about Star and Stripe's death.
 * The pilots provide data recorded during Star's battle against "Tomura", revealing some of his bio-signature and Quirks.
 * All Might reveals to Class 1-A that they now have a week until Tomura is completed, with the extra time being Star and Stripe's parting gift.

Characters Introduced

 * Agpar
 * Kashiko Kashi

Quirks Introduced

 * New Order: Star and Stripe's Quirk allows her to declare a new rule on her given surroundings after touching it and saying its name. The Quirk is stolen by "Tomura", but then destroyed within due to a rule set that it would revolt against other Quirks.
 * Heavy Payload: "Tomura"'s Quirk allows him to increase the damage output of a given attack.
 * Reflect: "Tomura"'s Quirk allows him to reflect any attack he receives with the same strength. This Quirk is destroyed by New Order.
 * Scatter: "Tomura"'s Quirk allows him to split up and multiple projectiles before firng them.
 * Burst: The Near High-End Nomu's unnamed Quirk allows it to explode in a blinding flash of light.
 * Wing: The Near High-End Nomu's unnamed Quirk allows it to sprout large black wings, granting it the capabilities of flight. "Tomura" takes this Quirk allowing him to do the same.

Battles & Events

 * "Tomura Shigaraki" vs. Star and Stripe