Holy Grail, Ventara and Earth

The final battle begins, Kirie plans to use Ilya as a sacrifice in order to summon the Holy Grail while at the same period stop Xaviax from getting his hands on it.

Disclaimers: I own nothing

Shiro's POV

"While I was away with Mordred, everybody else left the Emiya Residences leaving only Rin, my mom, her mom and Ilya alone, but when we return we found my mom, her mom and Rin have been badly injured. I seems Kirie Kotomine invade the house and kidnapped Ilya, he badly injured all 3 of them when they came to Ilya's defense, according to Rin, Kirie's primary objective is to use Ilya as a sacrifice in order summon the Holy Grail. Well that worries me and the others because if Kirie summons the Holy Grail before we can have a chances to stop him at the Ryudoji Shrine, Xaviax will snag it."

End of POV

XXX

Emiya Residences

"Okay I devise a plan to stop Kirie and Xaviax at the same time, Shiro, you, Rin and Mordred will stop Kirie and Gilgamesh and rescue Ilya at the same period, while we deal with Xaviax in his lair. All we need to do is prevent him from leaving his lair if Kirie is successful on unleashing the Holy Grail and stop the transmitter from reaching full power, Shiro once your done with Kirie and Gilgamesh you will regroup with us because only together we can defeat Xaviax and save both worlds from doom."

"I understand Master Eubulon", Shiro understands before turning to Mordred.

"Shiro it's most likely I will disappear once the Holy Grail War meets it's conclusion", Mordred warns him that she might disappear once the Holy Grail War is finally over.

"I know Mordred, but right now let's finish this last phase of the Holy Grail War and the war with Xaviax", Shiro said to her.

XXX

Xaviax's Lair

A mirror portal opens and out came Ayaka Sajyou, she's been ask to sneak into Xaviax's Lair in order to open a mirror portal for the 4 Kamen Riders including Master Eubulon to enter the lair.

"Got it!" Ayaka said so Len/Wing Knight, Pryce/Strike, Chance/Torque and Kase/Siren where able to enter Xaviax's Lair, the only one who wasn't there is Master Eubulon.

"Why isn't Master Eubulon with any of you?" Ayaka ask after noticing that Master Eubulon wasn't there with them.

"I bet he landed elsewhere in Xavaix's Lair", Len/Wing Knight answered her.

"Hate to interrupt but Xaviax probably is aware that we are trying to stop him, so he sends a massive swarm of mirror monsters to stop us", Kase/Siren said as the massive swarm of mirror monsters appear in front of them.

"Then let's fight our way to the final transmitter that's here in this lair before we can join Master Eubulon against Xaviax", Len/Wing Knight said aiming his Lance Sword at the swarm of mirror monsters.

"We just hope Shiro, Rin and Mordred can stop Kirie and Gilgamesh from summoning the Holy Grail and rescue Ilya before Xaviax can snag it", Chance/Torque said readying his Laser pistol.

XXX

Ryudoji Shrine

The moment Shiro, Rin and Mordred got there, already the summoning of the Holy Grail using Ilya as a sacrifice has already begun. Shiro/Dragon Knight deals with Kirie while Mordred battles Gilgamesh and Rin tries to get Ilya out.

"Tell me Kirie why do you want to do this?" Shiro/Dragon Knight ask as his Broadsword locks with Kirie's swords.

"Let's just say because I just enjoy it", Kirie gave his answer but Shiro/Dragon Knight will see him as insane.

"Your just insane Kotomine", Shiro/Dragon Knight said before jumping in the air and spin kicking him right on the face.

"Just a reminder, I'm responsible for causing Kiritsugu Emiya, your father to die", Kotomine reveals that he's the reason why Kiritsugu died after he gets up.

"What?!" Shiro/Dragon Knight responded in surprise.

"You, your family and friends already know that Kiritsugu died from an illness to begin with but that illness was all cause by the effects of the corrupt Holy Grail and his battle with me during the final phase of the last Holy Grail War. He and I battle one on one during the final phase, even though he won the battle he couldn't even bring himself to finish me off otherwise he would seen the last of me, what he did instead is he damages the Holy Grail causing that Great Fuyuki Fire and the start of his illness which led to his death."

"I think you said quite enough from your mouth", Shiro/Dragon Knight snarled at Kotomine after hearing that revelations and inserts an Advent Card into his Dragon Gauntlet.

Strike Vent

Shiro/Dragon Knight summons Dragreder and blew flames at Kotomine causing a large amount of damage on him before appearing and slashes him right in the gut with his Broadsword causing him to fall on his knees. Shiro/Dragon Knight then sees the Holy Grail rising up from the crater where Ilya was being sacrifice, he looks to the right and sees that Rin was successful on rescuing Ilya.

"If you have questions for that? Ilya's blood is more than enough to bring the Holy Grail out", Kirie in lights Shiro/Dragon Knight who turns back to him ready to finish him off.

Elsewhere

Mordred battles Gilgamesh in a sword fight but Mordred this time has a chance because Gilgamesh begins to weaken due to Kirie's defeat. Gilgamesh briefly taunted Mordred about his last battle with Arturia Pendragon her father/mother on how she failed to defeat him in the last Holy Grail War all because of Kiritsugu Emiya. This taunt causes Mordred to have a killing blow on impaling Gilgamesh but Mordred lost her helmet when Gilgamesh slash his sword directly on the horn causing it to fly off her head.

After this a badly wounded Gilgamesh regroups at Kirie's side where Shiro/Dragon Knight is about to finish him off. Well Shiro/Dragon Knight can finish them both off with his Final Vent.

XXX

Xaviax's Control Room

"Well it's about time the Holy Grail showed up", Xaviax said seeing through his monitor while battling Master Eubulon.

"The Kamen Riders already stop your transmitters and your still not giving up!" Master Eubulon said showing the Kamen Riders dismantling the final transmitter.

"Maybe, but that Holy Grail is the last ditch of my plan."

XXX

Back at Ryudoji Temple

Final Vent

Shiro/Dragon Knight summons Dragreder, jumps up in the air and lands a kick on the both of them with Dragreder's help, in the end Kirie and Gilgamesh are both destroyed by the impact of Shiro/Dragon Knight's Final Vent. Still the Holy Grail is standing there and Shiro/Dragon Knight has no wish he wants from it because of the Great Fuyuki Fire that actually caused the by Grail itself after his father tried to destroy it.

"Mordred my final command is for you to destroy it since I don't have wish I want from it", Shiro/Dragon Knight gave his final order to Mordred who use her Noble Phantasm to destroy it.

"Clarent!" Mordred destroys the Holy Grail with her Noble Phantasm Clarent Sword and after it was done Mordred begins to fade away in the blue light meaning with the Holy Grail War is finally over and it's time for her to return home.

"I love you Shiro Emiya", Mordred admits her love for Shiro/Dragon Knight before disappearing for good.

"I love you too Mordred, the Knight of Treachery", Shiro/Dragon Knight then gets a call from Ayaka.

"Shiro we were able to prevent Xaviax from leaving his lair and prevent him from getting his hands on the Holy Grail, now it's time for you to regroup with us."

"I'll be there", Shiro/Dragon Knight jumps into the lake which also a reflective surface.

"Good luck Shiro", Rin wishes him good luck before taking Ilya home.

XXX

Xaviax's Lair

Shiro/Dragon Knight finally regroups with the others who already subdued Xaviax so they can finish him off with one final move.

"Alright Kamen Riders let's do it!" Shiro/Dragon Knight, Len/Wing Knight, Chance/Torque, Pryce/Strike and Kase/Siren together inserts a Advent Card into their Gauntlets.

LINK VENT

Together they fire white energy beam that hits Xaviax that will destroy him for good, at the same period he was unhelmet revealing that he's actually a grey alien like being.

"YOU WILL ALL PAY!" Xaviax roared out his last words before being destroyed for good.

End

Originally it's supposed to be 13 Kamen Riders that destroys Xaviax but in this Fanfic it's instead it's 5 Kamen Riders. Just one more chapter to go.