The Last Master (FGO x Kamen Rider)

Arc 2 (Chapter 13)

"According to this Book there's a boy named Fujimaru Ritsuka a Master and the Future king that Will posses all the Heisei Kamen Rider. After A long journey deafeating Blackbeard now they're deafeating the Hero Jason with his Argonauts. Hmm.... Things Aren't going According to the History but whatever it is maybe it Will fix itself and now the Ark is--- Whoops i think that's all for that now  for the rest enjoy" the light Goes Off behind Woz

They Escaped but with sadness on their face especially Euryale.

"Boss it seems that person weren't chasing us"

"Well Thats relieving it is" said Mash

"Asterios....." Said Euryale with sad

"Don't make an expression like that he sacrified himself for us so we could Escaped and don't make his Sacrifice a waste" said Drake

"Alright" said her

Shirou Sitting with Okita layed fainted. She's now fainted but healed thanks to the Crews healing method.

"Master.... What should we do ?" Ask Mash

"I thought earlier about Ark" said  Fujimaru

"That's right the Ark. Doctor do you have an explanation of the Ark ?" said Mash

"...The "Ark" contains the Ten Commandments
that Moses, leader of ancient Israel, received from God. From a historical standpoint, it's a relic equivalent to that of the true Holy Grail." Explain Roman

"So it's not a worthless treasure ? What a Pity" said Drake

"Whatever it is we have to receive the Ark first before them" said Sieg

"So that's what Jason and The Argonauts seeking. Even with Mistah Blackbeard gone the Singularity still stand" said her

".....Mash why with 'Mistah'...." Said Fujimaru

"But one thing is Jason is not a bad guy it's because of the power he Gained so he's Cocky for now" said Orion

"I don't know what part of the 'good guy' from that Jason" said Mash

"But one thing that we don't know where could this Ark be and what Is function and how are they planning to use it" said Shirou while walking towards them

"Don't worry for finding it i believe it has a strong frequent of Magical Energy and for the Ark What I found Incomprehensible was the actual concept of using the Ark. They say the Ten Commandments are sealed inside.

Whoever opens it will be punished...

Basically it's one of those "don't open it" fables.
Just like Pandora's Box in Greece. Which is why I can't even begin to imagine why

they'd want to find it and use it. It's just stupid."

"So youre afraid about the Worse Scenario happen" said Mash

"Yeah She's right your probably a cautios person" said Artemis

"Mm... I admit that I'm too cautious... But you're all so carefree because you don't know about the legend of the Ark." Said him again

"Well let's go find the Ark for now so we can secure it" said Drake

"Captain, have you been listening?
"The Ark" activates when it's broken or opened. And the effect is... well, it is divine punishment.