3rd POV(Ruined City)

We see the ruined city is destroyed and the street is empty but then suddenly a figure appear and was punch back as he crash over a wall and got up.

Kamen Rider Leangle

Leangle:Your so tough.

He charge at his enemy Kamen Rider as he attack it using his weapon.

Kamen Rider Nega Den-O

Nega Den-O:Huh..no matter what..I will win after all.

He pull out his weapon and fire at Leangle as he back away and Nega Den-O scan his card to the belt.

Full Charge!

He fire his finisher shot at Leangle as he screamed in pain and exploded.

Leangle:AAHHHH!

Nega Den-O throw his weapon but then someone attack him from behind as he look at behind.

Kamen Rider Sasword

Nega Den-O:Nani?!

Sasword:This is your death now!Clock up!

He activate his clock up as he disappear fast and start slashing Nega Den-O with speed.

Sasword:Rider Slash!

He activate his sword.

Rider Slash!

He slice Nega Den-O up as he got exploded.

Sasword:*Smirk*Guess I will win this round

???:Well not at all!

Sasword:Huh?!

Suddenly a figure fly toward Sasword and fire a lot of shots at him.

Sasword:Aaarggghh!!

He drop his sword and got up as he saw the figure appearance.

Kamen Rider Psyga

Psyga:Time to end this assh*les!

He press the Enter button on his phone.

Exceed Charge!

He activate his jetpack as he flew up and deliver a kick as he kick through Sasword and he got exploded.

Psyga:*Look back*Another win.

He then fly away from the scene as the rooftop show a person watching the scene.

???:Good..The game has finally start.

He walk behind as he climb up and look at below.He then saw a lot of Kamen Riders and Kaijus fighting each other as he smirks.

???:Hehehe...let the battle begin!

As the screen show the title.

"Kamen Rider Decade:Absolute Showdown!"