(Jason is seen with Mark as they land on their feet.)

Mark: Wow, I'm impressed.

Jason: You haven't seen anything yet.

(Jason pulls out the Seiken Swordriver and places it on his waist.)

Announcer: Seiken Swordriver!

(Then he pulls out two books.)

Announcer: Brave Dragon! Storm Eagle!

(Jason places the books in his driver.)

Announcer: Rekka Battou!

Jason: Henshin!

Announcer: Tatsumaki Dragon Eagle! Rekka Nisatsu! Araburu sora no yokuryuu ga gokuen wo matoi, arayurumono wo yakitsukusu!

(Jason becomes Kamen Rider Saber.)

Saber: I will decide this story's ending! (to Mark) Come on, we don't have all day.

(Mark suddenly transforms into Invincible.)

Invincible: Right!

(They they dash towards the castle.)

(Meanwhile, Kevin is seen in his Iron Hammer Suit flying as he sings.)

Iron Hammer: 🎵I believe I can fly. I believe I can touch the sky.🎵

(Suddenly he bumps into a nevermore grimm, and uses his hammer to shove it off.)

Iron Hammer: Nailed it...

(Ben 10 sees a grimm coming, and then he smirks.)

Ben 10: It's hero time!

(Ben 10 becomes Rath, and starts beating the Grimm to a pulp.)

Ben 10 (Rath): Let me tell you something, I eat monsters like you in breakfast!

(Back to Saber and Invincible, they see a bunch of grimms, and prepare to fight them.)

Invincible: Let's do this!

(Invincible punches through one of the grimms, dirtying his fist with blood, and then he kicks through other three grimms. Meanwhile Saber rapidly slashes another grimm with his sword, and then stabs it before slashing another grimm, and then he chops it into pieces. More grimms approach, but Saber prepares to finish them.)

Announcer: Hissatsu Dokuha!

(Saber delivers a fire enhanced slash to the grimms, launching them backward. He then launches a second slash that strikes the enemy in midair, resulting in an explosion.)

Saber: Ha!

Invincible: You're good.

Saber: Thanks!

Invincible: Let's get moving!

(Timeskip)

(Ben 10, Iron Hammer, Invincible and Kamen Rider Saber arrive at the castle.)

Iron Hammer: Well, we made it.

Ben 10: Great, we're the first.

Invincible: Don't celebrate yet. We still have to catch one of the relics.

Saber: Mark is right. We'd better find one of the relics before...

(Suddenly Nora and Ren land above the giant Rook piece. While Ren jumps out, Nora simply hums.)

Nora: I am the queen of the castle.

(Suddenly Ruby and Weiss are seen falling from above.)

Weiss: Such stupid idea.

Ruby: Hey, we made it alive, right?

Invincible: Well, I guess they're okay.

(Yang, Blake, Jaune and Pyrrha come in, and suddenly a roar is heard.)

Ben 10: Did you hear that?

Iron Hammer: I guess another grimm is coming in.

(The grimm comes in.)

Yang: Great, the gang is reunited. Now we can die together.

Ruby: Not if I can help.

(Saber blocks Ruby's way.)

Saber: Don't even think about it, sister.

(Then Saber pulls out another wonder ride book.)

Announcer: Kobuta 3 Kyoudai!

(Saber places it at his driver's third slot.)

Announcer: Rekka Battou!

(Saber prepares to change forms.)

Announcer: Tatsumaki Dragon Eagle! Zosatsu! Sanpiki no Kobuta! Rekka Nisatsu! Araburu sora no yokuryuu ga gokuen wo matoi, arayurumono wo yakitsukusu!

(Saber changes forms, shocking everyone.)

Jaune: What the...

Weiss: He can change forms?

Ben 10: I thought I was the only one.

Yang: Go and get him, bro!

Saber: Alright, monster. You want a fight? I'll give it to you!

(Saber charges at the grimm, who charges as well, and tackles him to another area. As they get up, Saber starts slashing the grimm, who then punches him away. Saber charges at the grimm again, but the creature ends up gaining the upper hand during the fight. Saber shoves the grimm aside, and they clash again, but none of them seems to have any advantage. Suddenly saber shoots a fire slash which hits the grimm, who suddenly breathes fire, but Saber manages to dodge it and prepares to finish the creature.)

Announcer: Hissatsu Dokuha!

(Saber summons an apparition of 3 Little Pig Brothers that traps the grimm into a straw house they built in succession. Saber then delivers a diagonal upward slash, to summon a tornado that destroys the house and the grimm inside as well.)

Saber: That was close.

(Suddenly Saber finds a relic, and checks on it, seeing it's a true relic.)

Saber: Got it.

(Then Saber returns to the group and gets tackled to a hug by his sisters.)

Invincible: Well, I guess he made it alive.

(Timeskip)

(At the auditorium, Ozpin and All Might are seen deciding the teams.)

All Might: Izuku Midoriya, Shoto Todoroki, Tenya Iida, Ochako Uraraka and Tsuyu Asui will be forming the Dekusquad led by Izuku Midoriya.

(A round of applause is heard.)

Ozpin: Cardin Winchester, Russel Thrush, Dove Bronzewing and Sky Lark will be forming Team CRDL, led by Cardin Winchester.

(Another round of applause is heard as Team CRDL bows a bit.)

All Might: Katsuki Bakugo, Hanta Sero, Mina Ashido, Denki Kaminari and Eijiro Kirishima will be forming the Bakusquad led by Katsuki Bakugo.

(Another round of applause is heard as Bakugo yells.)

Bakugo: YYYYEEEEEEEEEESS!

Ozpin: Ahem, Jaune Arc, Nora Valkyrie, Pyrrha Nikos and Lie Ren will be forming Team JNPR, led by Jaune Arc.

(Another round of applause is heard as Jaune is surprised.)

Jaune: What... who? Me?

All Might: Way to go, young Arc. Now, Jason Xiao Long, Kevin Rose, Mark Grayson and Benjamin Tennyson will be forming the Cross-Tale, led by Jason Xiao Long.

(One more round of applause is heard as both Jason and Kevin bump fists.)

Ozpin: And last, but not least, Ruby Rose, Weiss Schnee, Blake Belladonna and Yang Xiao Long will be forming Team RWBY, led by Ruby Rose.

(A last round of applause is heard as all students get shocked, except for a few.)

All Might: Classes will officially start tomorrow.

Ozpin: Dismissed.

(Nighttime)

(Jason and his teammates are seen preparing to sleep.)

(Meanwhile in Bludhaven, Nightwing is seen overlooking the city, and then he looks to the skies.)

Nightwing: I know Jason is alive. I'll find him. And if I have to defy the very one who took me in, so be it.

(Chapter Ends)