Back at the theatre, Zero notice his portal didn't close and decided to close it but is unable to close. He takes a look inside the portal and saw a bunch of people coming out of the portal and crash-landed on Zero.
Chrom looks behind him and saw his sister and comrade came through the portal.
Chrom: Lissa, Olivia, and guys, what are you doing here!?
Lissa: Huh? Chrom! Finally found you, where have you been! Frederick is worried sick about your whereabouts!
Robin: Uhh, Lissa, you better ask him for that question.
Lissa: What do you mean 'him', Robin?
Robin pointed at Zero who they're currently sitting on.
Olivia: Oh, I'm sorry!
They all immediately stand back up and lets Zero slowly climb back up and he asks;
Zero: So who are you people anyway? 'He didn't mention to me about other people arrives aside from the Byleth twins...'
A/N: 'You forgot to close it'
Lissa: I'm Lissa and this is Anna, Cordelia, Olivia, and Tiki!
Blake looks at Tiki's features and saw her ear is pointy and walks to her.
Blake: Are you a Faunus?
Tiki: Faunus? Sadly, no, I'm the voice of Naga and the form of manakete...
Zero: Oh right, forgot to mention that their world contains other species as well.
Tiki: Manakete is a wyvern or dragon if you prefer, is that we can live through thousand years old.
Lissa: And Taguel is a beast which they can change to an animal!
Sienna: Are they treated fairly, I presume?
Chrom: Sadly, not, they only worship gods but for Taguel, peoples have hunted them for their fur.
Robin: It's because that their fur is very valuable.
Adam: It's the same with the damn human...
Sienna: Adam, they do not represent us. You must learn the place, Adam.
Adam: Yes, high leader...
Zero: Alright, I'm gonna close-
Before Zero has his opportunity to close his portal, someone crashes into him.
Owain: Finally, we have arrived at the chosen...
Ophelia: Father, why are you quiet of the sudden?
Then Zero almost stand back up, but he was stepped on by someone else who just came out of the portal.
Inigo: Where are we?
Soleil: Who cares! I found a lot of cuties!
Kana: Mama! Where are you!
Nina: Kana! Come back!
Corrin: Kana! Nina! What are you doing here!?
Nina: Mother! I was gonna asks you the same!?
Kana: Mama!
Severa: Gwads, can you guys please st... Where are we!?
Ruby: Who are you peoples and oh my god, Zero!
Severa: Who Zero?
Zero grunted as he raises his hand, and Severa simply steps down from Zero's back while he slowly stands back up.
Lissa: Owain!
Owain: Gah! Mother! Uhh... I mean fair maiden!
Lissa: Enough with the acting Owain!
Owain: You have surely mistaken someone else!
Zero: ENOUGH! Just take a seat and we can continue our conversation after the movie ended...
They all looked at each other and nodded.
Oscar: Uhh, Mr. Zero... can I leave, please? Is too crowded in here...
Zero: Sure, you can leave. But I need you to help Amber with the popcorn stand that the author send it over. You know how it work don't you?
Oscar: Yes.
Zero: Good. I will be sure to call you back if you in the show again.
~~
Nora looked shocked as she hears Corrin's word. In the storage, Corrin yields the Dark Spark Len on her hand and lets Ren look at it.
Kana: Look, how beautiful mama is!
Nina: I'm not gonna lie, she looks kinda beautiful with that dress.
Corrin: Uhh, kids... that's me in evil version...
Ozpin: They will understand one day...
Ren: That's...
Corrin walks to him as she still yields the Dark Spark Lens and spoke;
Corrin: What's wrong? Accept it already. And embrace the power of darkness once more!
Ren: I...
As he holds the Dark Spark Len says;
Ren: ...am different from you all!
When Nora open up the door and saw Ren laying on the floor, unconscious.
Nora: Oh she didn't hit my Renny!
Corrin: I didn't hit your friend!
Nora: Ren!
She ran to him and tried to wake him up.
Nora: Ren!?
She tried again and yells his name;
Nora: Ren! Ren, wake up! Ren!!
She saw the Dark Spark Len on his hand and her eyes went widen as the screen went black and change to a hospital scene;
Nurse: Mr. Ren doesn't have any external wounds.
Nora: Thank goodness.
Lissa: But how they know that he doesn't have an external or internal wound?
Coco: We have the technology and it's pretty useful in medicine.
Tai then asks the nurse;
Taiyang: How's Nora? Has she said anything?
Nurse: No.
As the screen changing to Nora looking at Ren while thinking about Corrin.
Ozpin: We'll launch an attack on the R'lyeh ruins tomorrow.
Ren opens up his eye a little bits and Port says;
Peter: I guess... ... this is GUTS' last mission.
As Ren slum back to his unconscious state and slowly reappear in the R'lyeh ruins as the scenery in the ruins with many of the fallen warriors and destroyed building.
Owain: Oh, the fallen of the great nation, has sunk to the earth.
Xander: So, that how the ruins were formed.
Oobleck: Interesting, a historical about those ruins.
The scene starts to catch on fire as multiple Golza appear and destroying the building. Multiple ultra warriors appear and start to fight the Golzas as the war still going.
After the fight against the Golzas, the ultra warriors start the civil war against each other. And until the last two last ultras were against Corrin and her crew.
Tiki: This felt like an eon ago, between Manakete and human civil war...
Ren: In the end, the giants battled one another. In the process, Everything was destroyed.
As the scene slowly back to Ren as he spoke with Robin;
Morgan: Hey, mother back!
Ren: Was it so? Robin!
Robin: Corrin, Tyrian, and Hazel. When those three giants were revived... I created a barrier that encapsulated these ruins.
As she slowly walks to Ren and spoke;
Robin: It'll seal all the darkness in for a hundred years. But... Ren... If you once again obtain the power of darkness...
Ren finished the sentence;
Ren: They'll be freed from these ruins.
Robin nodded.
Robin: The three are invincible. They'll plunge this world into darkness again.
Ren: If I don't go... They'll still be revived in a hundred years!
Robin: Darkness can never be removed from human hearts.
Ren looks at Robin and says;
Ren: What should I do?
Robin: Ren. You are the light. You're also human. You have to find the answer on your own.
Yang: Wow, that's deep, Ren...
Jaune: Not gonna lie, that's pretty deep...
Owain: Has Aunt Robin has spoken the word of God!
Severa: Gwads, Odin, can you shut up?
The glowing light between them slowly enlarges itself and covers the scene with brightness and changes it back in the hospital room when the nurse opens up the blanket and checks Ren's pulse and turns to Nora sitting next to him.
Nurse: If you need anything, just let me know.
The nurse walked out of the room with the Iv bag in her hand and says;
Nurse: Take care.
Nora: Thank you.
As the door closes, Ren called Nora.
Ren: Nora.
Nora turns around and saw Ren woke up and he continue to say;
Ren: I'm sorry. I worried you.
Nora slowly walk toward Ren as she spoke;
Nora: You're going, aren't you?
Ren slowly stand back up while Nora continue to say;
Elise: Wow, he heals real quick!
Lissa: But... how could he be better when he had beaten with those conditions just now...
Summer: Modern medical sometimes works a charm.
Nora: You're going off alone again.
Ren: Captain Salem's still alive. That's why I have to save her.
Nora: Why. Why is it that only you have to suffer so much? You finally...
Ren looks concerned about Nora as she spoke;
Nora: ... finally become an ordinary human again.
Ren: It's because I'm human. As a human, I can't run away from this.
Ren walks around Nora as she stops ren from changing his uniform.
Nora: Wait.
She walks over to the bed and took the spark lens and turns to Ren and spoke;
Nora: You'll come back to me right?
Ren still looks concerned while Nora continue to worry;
Nora: Ren, we... we're getting married, right?
Inigo: My, my... engaging already?
Morgan: You didn't look at the front part of the movie.
Cordelia: I still don't have any idea what happens just now...
Olivia: Neither am I...
Anna: But this movie can make a lot of profit if we bring it back to Ylisse.
Zero: No.
Ren looks at Nora and says;
Ren: Of course. Nora, wait for me.
She has given back the spark lens to Ren as the scene changes to a hallway where Ozpin and the rest are walking toward their airship. While Ren is getting ready as he dresses up his uniform, loaded the gun, and puts it in the holder. While Nora is concerned if she wants to join back with the crew or waiting for Ren.
Ren walking in a hallway as he walks to the Guts wing 1 while Nora is still thinking in the room as Ren is starting up the power of Guts wing 1. She remembers all the days that she and Ren when they still on their honeymoon.
Nora: Ren.
Nora screams his name.
Nora: Ren!
Pyrrha: Wow, I saw Nora this upset before...
Jaune: Me too...
Coco: I can bet them in a deep relationship, what do you say, Vel?
Velvet: Well, I...
As she runs out of the rooms.
Back in the hanger where Ren is asking permission;
Ren: Awaiting permission for take-off.
Staff: Guts wing 1 cleared for take-off.
Nora then stop in the hallway and stood there for a second and continue running toward the bridge.
Ren: Taking off.
As Ren slowly pushes the handle as Guts wing 1 move. Nora stops at the bridge as she saw Ren in Guts wing 1 flies to the distance as she spoke;
Nora: You have to win. You have to!
Ren looks back at Nora as he says;
Ren: Nora.
Nora looks at Ren in the distance and went to her room to look at her bride's dress as she opens her closet and took out her uniform and wears it and joins the crew in the hallway with Artdessei behind them. Ozpin nodded at Nora as she spoke;
Nora: I...
Ozpin and the rest listen to her as she continues;
Nora: ...intended never fight again.
Inigo: That would be perfect for a proposal to the women.
Soleil: Or cuties...
Penny: It seems that the affection on your mind is being a bisexual, is that correct?
Soleil: W-what!?
Ruby: Penny! Don't look at other people's minds!
Nora: But if I don't go now. I'll definitely regret it. I don't want that.
Back in the office with Chrom who is looking at the window while Oobleck came in.
Oobleck: The GUTS team has requested to change part of the operation.
Chrom: I approve of it.
Lissa: Chrom, you need to be serious about this.
Chrom: Lis, I have everything under control.
Oobleck: Huh?
Chrom turn around and said it again to Oobleck;
Chrom: I said, I approve of it.
Oobleck smiles and said;
Oobleck: Yes, sir!
And walk out of the office as Nicholas walks in.
Nicholas: Haven't seen me in a while.
Willow: Is sure is, father.
Whitley: Am I being too quiet this whole time?
Sun/Neptune: Yes.
Nicholas: Chrom, will they succeed?
Chrom: They will. I've always believed that.
As it changes it to the hangar with Artdessei is being to launch;
Staff: Gate F4 opening. All personnel into position.
Cordelia: Woah, it's huge...
Ironwood: It's bigger than the average length of nevermore...
Staff: Artdessei advancing to launch gate.
As it turns to the cockpit with Nora and the others who are preparing to take off as the screen shows up and show Penny;
Staff: Artdessei, permission to launch.
Penny: This isn't as good as those we're currently developing for space exploration, but...
Weiss: Wait, they going to space!?
Zero: You guys never been into space before?
Ruby: No, we not...
Zero: Ahh...(So what with the advanced technology that you can't go to space...)
Penny: ...this should do fine for your battle ahead. We've also made some modifications.
Ozpin: To us, this is the best ship.
Penny: Officer Nora. I'm looking forward to your wedding.
Nora: Thank you.
Neptune: Maxima overdrive, full charge!
Ozpin: Alright. Artdessei, launch!
Nora: Lauching.
As Ozpin's command, Nora pushes the level as it accelerating and headed to the Island of R'lyeh. As the scene change to Ren flying toward R'lyeh and landed somewhere near the tunnel entrance as Corrin feels his appearance.
Corrin: I've been waiting.
Hinoka: Why am I feeling unsafe right now...
Camilla: Same with me...
Ryoma/Xander: It's probably your imagination, sister.
Ren currently running through the tunnel as he searching for Corrin and founded himself with Tyrian and Hazel.
Tyrian: You really came! If you'd stayed home, humanity would have another 100 years of peace!
Cinder: Huh, this is the first time Tyrian speaking in normal human language...
Mercury: Not gonna lie, that was unexpected.
Tyrian: You could have lived out your life as an ordinary person.
Hazel pointed at Ren and said;
Hazel: I knew it. You still seek power!
Ren: Where's the captain?! Where's Captain Salem?!
As Corrin slowly walks behind him and said;
Corrin: What a scary expression.
And slowly walks to him and lay her hands on his shoulder;
Takumi: I think I found your answer sister...
As he pointed at Nora with her angry eyes toward Corrin.
Corrin: But I like that. Ren. Your power of darkness is much greater than anyones.
Jaune: Uhh, I think we better hold on to Nora.
Pyrrha: Agree.
Corrin: Show us once again... that great power of yours!
Ren: Even if we can never remove the darkness in people's hearts...
As he pulls out Dark Spark lens and continued;
Ren: I believe.
Corrin and the rest smirk under their lips as Ren slowly walk in front of them.
Ren: Humans... We can become the light by our own will!
As he raises the Spark lens and transformed him into Tiga and he inspects that he still in the same color of the dark Tiga.
Lissa: What is that!?
Zero: That's is Ultraman.
Lissa: Ultra-what now?
Robin: Just added the man behind it.
Corrin and her crew smile as the barrier that Robin cast has faded away as the dark cloud slowly covering the earth.
Ironwood: How in the...
Weiss: There is no way that cloud could spread that fast!
Back at TPC, one of the staff notice and calls his chief;
Staff: Chief!
Owain: What's wrong?
Owain: Oh, it seems fates have shown me in another world!
Lissa: How unfair! Why Owain in there while I'm not!
Chrom: Lissa, you need to patient. You may appear in the next movie.
Zero: Don't worry, the next one is about an anime movie! And you are in it!
Staff: A strong distortion is being emitted from the ruins of R'lyeh.
Owain: What?!
f.Staff: The sun is being blocked out by darkness all around the world!
Owain quickly back to his place and quickly typing onto the computer while saying;
Owain: What the heck's going on...?
As the dark cloud spreading like a wildfire as it cover-up the sun and the civilians look at the sky while a group of high school girls appears and one of them is Ruby;
Ruby: I'm in another movie... don't tell me I'm just a side character, Zero...
Zero: No, you not. You just a prequel in the next series of this.
Lissa: Wait, so I saw Owain in there, and is it possible that he also included in the next movie?
Zero: Yes.
Girl: Ruby...
Ruby: What this?
Girl: It suddenly...
Girls: ...got dark...
Ruby: An eclipse?
Back at the TPC office as Chrom looked at the sky as he worried.
Lucina: Father looks worried about these...
Kana: Mama! I'm scared!
Corrin: It's alright, Kana, I'm here.
The scene changes to Tyrian and Hazel in their true self while Corrin remains on human-self.
Corrin: Ren. Thanks to you, the barrier has been destroyed.
Hazel nodded as Tiga is ready to fight before Corrin continue to say;
Corrin: Now, join us in bringing fear and despair to this world!
Ren: I told you. I'm different than you three! I... ...will defeat you!
Corrin: What can you accomplish alone?
Hazel: Wait!
As Tyrian ready to rush at Tiga but he was stopped by Hazel who wants to go one-on-one with Tiga first.
Hazel: Let me go. My friend!
Hazel rushes to Tiga as he ready to punch him but Tiga dodges his attack as he returns with a kick but was blocked by Hazel's hand and he returns to Tiga. As he turns Tiga around and hits him in the back and grab onto his leg and lifting him up to the sky and slowly dragged down to Hazel's underwater lair as they are slowly sunken deeper.
The scene change to Artdessei that is almost arriving at the Island of R'lyeh.
Ironwood: How fast does Artdessei travel?
Penny: According to my research its could flight in Mach 2 or 3 speed.
Yatsuhashi: It could be faster than our aircraft...
Fox: Could be...
Port: What a ridiculous amount of energy!
Neptune: It's even stronger than the darkness that attacked the Dive Hangar!
Ozpin: Don't falter. I'm sure the captain is waiting for us there!
Nora: Let's go.
As Artdessei slowly accelerating faster while back in the ruins as Corrin felt their presence;
Corrin: You impertinent humans! I have no business with you!
Corrin summons a herd of Zoigers as she commands them to attack Artdessei as they slowly approaching them.
Neptune: The Zoigers are attacking!
Ironwood: It won't be enough to deals with them...
Ozpin: Ready all weapons!
Taiyang: Ready!
Ozpin: Fire them simultaneously!
Taiyang: This will be tough!
As Artdessei fires all the weapons around it and hits the Zoigers in the process but the Zoigers split up as they swoop in and damaging the engine of Artdessei.
Taiyang: Damn it! They're targeting the engines!
~~to be continues
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Part 5 complete and get ready for maybe one or two-part and we can react to sword art online ordinal scale. So stay tunes.