(The heroes are seen in the last area of Hawkmoth's mansion, and then Vincent turns to Izuku and Ochako.)

Vincent: Izuku, Ochako, I hope you're ready to face Shigaraki and Toga.

Izuku: (sighs) I'm ready. I just can't believe it all came down to this.

Valkyrie: Don't be disappointed on yourself, Izuku. We all know this would happen since you were framed for that crime. It's just sad that the Pro Heroes got themselves involved in this mess.

Vincent: (pulls out two fullbottles) Now, shall we begin the experiment?

(Vincent shakes the fullnottles and places them on his driver.)

B. Driver: Harinezumi! Syoubousya! Best Match!

(Then the other Riders prepare to transform.)

Progrisekey: Cyber Jump!

Zero-One Driver: Exrise!

B. Driver: Are you ready?

Riders: HENSHIN!

B. Driver: Rescue kenzan! FireHedgehog! Yeah!

Zero-One Driver: Progrise! Emergency Alert! Started multiple firewall construction! Start the main system! Ready... Shining Strike Hopper! The diffused power! Released the bond! Get Freedom...

OOO Driver: Super! Super! Super! Super Taka! Super Tora! Super Batta! Su~per Tatoba, Ta-To-Ba! Super!

(Then they transform into Kamen Riders and prepare to fight as the three figures come in.)

Build: It's time, huh?

Death Arms: Yes, and this time, you're going down!

Valkyrie: He won't be fighting alone. While the other Riders deal with you, Izuku, Banjou, Momo and I will be fighting Shigaraki and Toga.

Tomura: So you're really going to fight me, Deku?

Zero-One: Obviously, because there's only one who can stop you, and that's me!

Build: Ready, guys?

Thouser: This is going according to my scenario. 100%... no, 1000%.

Valkyrie: Violations of LOV spotted. Destroying targets.

OOO: I'm ready.

Kiva: I can't wait to teach them a lesson they will never forget.

(Zero-One and Vulcan dash at Shigaraki while Valkyrie and Thouser face off against Toga. The other riders dash at Death Arms who charges at the three. Build and OOO hit Death Arms with a combo attack.)

Build: Just like we practiced.

OOO: Right!

(Meanwhile Zero-One kicks Shigaraki effectively.)

Tomura: Damn you! Quit kicking me!

Zero-One: No can do, Shigaraki. We learned what you can do with your quirk, so I'm keeping you focused on me.

Vulcan: While I can do this!

ShotRiser: Power! Speed! Element Rampage!

(The emblems of the Flaming Tiger, Freezing Bear, and Sting Scorpion Progrisekeys combine with Vulcan's body. He produces fire from his left hand and ice from his right hand, allowing him to fire meteors into the air that then rain down on multiple enemies while Vulcan freezes the ground beneath them. Finally, Vulcan produces an energy construct of the Acid Analyze from his right arm and attacks Shigaraki with it.)

ShotRiser: Rampage Element Blast!

(Shigaraki gets up with a bruised arm.)

Tomura: Damn you! You bruised one of my arms, you Bastard!

(Tomura dashes at Vulcan, only for Zero-One to kick him in the gut with all strength.)

Zero-One Driver: Strike Charge! Shining Storm Impact!

Tomura: DAMN YOU DEEEEKUUUUUUU!

(Tomura explodes, and then Vulcan turns to Zero-One.)

Vulcan: Thanks for the support, Izuku.

Zero-One: Anytime.

(Back too Build and the other riders, they prepare to finish Death Arms.)

Build: The laws of victory have been set!

Death Arms: I can't believe I lost to a bunch of vigilantes...

OOO: Too bad for you, huh?

B. Driver: Ready, go! Vortex Finish! Yeah!

OOO Driver: Scanning Charge!

Tatsulot: Basshaa Fever! Mearie Fever!

(Then they combine their attacks and destroy Death Arms. Toga is seen beaten, implying that Valkyrie and Thouser have already defeated her.)

Valkyrie: Anything you want to say before going to afterlife, Toga?

Toga: No...

Thouser: Just as I thought...

Shotriser: Flame! Hurricane! Metal Turbo!

Thousandriver: Thousand Destruction!

ShotRIser: Metal Turbo Blast!

(Then they destroy Toga.)

Build: Now we just need to get rid of Hawkmoth!

Spider-Gwen: We will win, won't we, honey?

Build: Of course, baby. We are going to do it together.

Tsubasa: Now let's save the world so everyone can live in peace.

(The heroes leave a loud cheer as they proceed to their final fight against Hawkmoth.)