The portal appeared to see several fleets entering a new universe.

The fleet consists of each of them in the Allied coalition fleet:

The UGSE has 4 maelstrom-class heavy cruisers, Eternal-class dreadnought, and 6 Princesword-class destroyers.

 UNSC has 2 Phoenix-class carriers, 3 Valiant-class super-heavy cruisers, and one mighty supercarrier called Infinity V2-class supercarrier, one most of a kind have ever built by UNSC, but thanks to UGSE give them a help, Infinity V2 become much larger than Infinity Supercarrier which it was destroyed by The Banished. Now, Infinity V2 is part of the fleet to enter a new universe and it houses both Humans and ASO species as they are part of this mission.

 The Daelaam has 1 Mothership, 12 Carriers accompanied by 8 Corsairs and 8 Phoenix starfighters, and 3 Super carriers.

 Terran Dominion has 10 Minotaur-class battlecruisers, 3 Loki-class battlecruisers, and 5 Mammoth-class carriers. They were led by Hyperion Battlecruiser which Admiral Matt Horner took on this mission, and his battlecruiser is way larger than his original with full upgrades to be an important role of leading Dominion fleet.

They reach the planet they are about to start their mission. They see an earth-like planet and there is a shattered moon above the atmosphere. Inside the bridge room of the Infinity V2 supercarrier, Thomas Lasky, now known as Admiral of the UNSC fleet is looking out the window to see the view of the planet they come in. He looked at the neutral expression as he watched the view.

Lasky: What a wonderful day to come to this universe. I wonder what future awaits us by coming here?

He said to himself. His AI appears on a holo-table.

Roland: Admiral Lasky. They're calling you.

Lasky turns around and walks towards him. He turned around at the screens.

Lasky: Put it on, Roland.

Roland: Aye sir.

The screen turns on to see Dominion Admiral Matt Horner. A female Protoss Executor named Alishal, a proud templar of Daelaam, serves to protect her people and her dimensional universe from any threats of Aiur. A UGSE short-beard male named Admiral Walter Richter. Lasky said to them.

Lasky: Admirals, Executor, we arrive in a new dimension - or universe whatever we call it - Executor, I am informed that you Protoss have sent a reconnaissance force to establish a base there on the planet.

Alishal (on screen): Correct. My people establish themselves there to get to know about the world. There are inhabitants living in the world called Remnant.

Lasky: Humans?

Alishal (on screen): Yes. But there are other races living among them. According to the reports, they are called Faunus. Humans with different animal variants. However, their lives are not very simple. Humans living on the world called Remnant treated them discriminately as second-class citizens living in four kingdoms.

Horner sighs seeing humans of Remnant are treated Faunus discriminately. He feels bad about them.

Horner (on screen): It's very hard for Faunus living in the world discriminately because of how they look. What else?

Alisha (on screen): There is a society living in the island from the south called Menagerie. There are a hundred Faunus populations living on the island. It was led by a chieftain named Ghira Belladonna. There was also an organization called White Fang. According to their history, Ghira was once a leader of a peaceful activist organization to have rights for his people, but when he stepped down, Sierra Khan took over as the new leader, becoming a peaceful activist into extremist. Her belief is to bring humanity to fear them so no Faunus will ever be treated harshly again. But there are activities in Vale, the White Fang is led by Adam Taurus. He and his forces attack villages and settlements, stealing resources, and kill any human they find, even the Faunus who are seen as traitors believing to be equal. The Atlas is the only kingdom that has conventional military and advanced technology, but they are primitive. The other kingdoms don't have kingdoms, but they have national militias to defend the kingdoms if needed by the council. We also report that Schnee Dust Company controlled by human named Jacque Schnee have made illegal Faunus slavery and harsh treatment condition, it also that there are Faunus trafficking in each kingdoms. The dark templar rescue those Faunus and take them to the base for refuge. Their native society has a power source called Dust, a crystal that carries different powers for weapons for combat against the enemy. There are four academies in each kingdom ruled by headmasters. The purpose is to train students to become Huntsmen. They see it as protectors of humanity. They also have two abilities: Aura and Semblance.

Walter (on screen): Aura and Semblance?

Alisha (on screen): Aura is like a shield, but it manifests the soul which leads to Semblance. Semblance is a kind of power that is used against Grimms. Only a handful of individuals to become huntsmen can receive that power. There are also creatures known as Grimm.

Lasky: Grimm?

Alisha (on screen): They are soulless creatures that have been lurking throughout the land for centuries. Unknown the origin, but they can attack both humans and Faunus when they sense negative emotions. If people feel more negativity the Grimm will attack them in large numbers.

They understood everything from her. They focus on the current mission of this universe.

Lasky: So what your people found today, Executor?

Alisha (on screen): While staying hidden from kingdoms, there were large continents on the other side of the world that they never discovered yet. I'll show you the map.

The screen changes to see a map of continents that never be discovered by Remnant natives. There are different islands and each has large space for everyone.

Walter (on screen): They never discover the continent on the other side. That's good. Maybe we can establish a colonial settlement there.

Horner (on screen): With the natives on the other side of their planet? Are we sure about that?

Walter (on screen): They never know our existence yet, and besides, they didn't bother to discover the other side of the world so we can take it ourselves.

Alisha (on screen): The White Fang and Atlas seem to be a threat to us. But for Atlas kingdom, we should be ready if they become hostile.

Lasky: Are there inhabitants living on those continents?

Alisha (on screen): No humans or Faunus living in the continent except the Grimm. We can eradicate those parasites with combined force and then we take the lands.

Lasky: Hmm, alright then. Once we eradicate them, we can establish the base and then we will decide what to do next.

Then he was interrupted by his AI.

Roland: Sorry to interrupt sir, but I've detected a forerunner signature in that planet.

Lasky: What! That's impossible.

Alisha (on screen): Wait. Forerunner? The one you told us about them?

Lasky: Yes. But what is it doing there?

Roland: I'll put the pinpoint of the location.

The screen shows the pinpoint where the forerunner structure was located.

This shocked Lasky to see three Forerunner structures in that native world. He has no question of how or why the ancient race ended up in this universe. He has so many questions in his mind to find this mystery. But right now, he has a job to do.

Lasky: Alright then, I have decided. We are going to that continent and land there. But first, let's establish the base on the shattered moon and then our forces will clear out the Grimm on every continent. Meanwhile, we have to seize control of those three forerunner structures. Whatever it is, we must be sure no one, not even the natives know their existence. I fear that one of them has Flood containment in the facility. It won't be long before they release to the surface. Is that understood, everyone?

Alisha (on screen): Understood. I'll have my best warriors to accompany you to destroy those parasites.

Horner (on screen): Sounds worse like the Zerg. I'll dispatch my best special force to assist you, Admiral.

Walter (on screen): Same here. I'll send the special ops to assist you against those Parasiten.

Lasky: Then it's settled. We will be deployed in a few minutes.

He said. The screens turn off as Lasky prepares his men to deploy a native world. The door slides open to see an elite wearing gold and purple armor and he has a red cape around his back. His name is Kail'Mottdere, a supreme commander who led his ASO forces and a reason to be part of this mission. He is a veteran who fought in the Human-Covenant war, Great Schism, and the Battle of Ark. When he joined the Sword of Sanghelios, he promoted his rank to supreme commander due to his ability to lead his forces ahead against the Humans then the Covenant who betrayed him and his people. Now, he is here helping UNSC people (Pallahuman) to take this path of destiny awaits in this universe. He approached him as he said to him.

Kail'Mottdere: Admiral Lasky, I see you are ready to deploy a native world.

Lasky: Yeah. But there is something else. We detected forerunner signal readings on that planet. It appears that the Forerunner has been here long before us.

Kail'Mottder was shocked that the Forerunner exists in this unknown universe they went in. He doesn't know how the Forerunner came to this universe, but he will find the answers there.

Kail'Mottder: By the Gods. And where is it?

Lasky: Roland.

Roland: Yes sir. There are three Forerunner signals in separated places on that other side of the continent. It is full of black monsters called Grimms, and the natives didn't discover that place which makes it easy to establish the base there.

Lasky: Once we seize control of Forerunner structures and clear out most of the Grimms, maybe we can colonize that land. Is that okay for you?

Kail'Mottder: The natives don't know the lands exist on the other side?

Lasky: No.

Kail'Mottder: Then the land is ours. There is more space for us to settle there. We could bring our people to establish there. But first, we must secure those structures. I'll have my forces assist you and eradicate those creatures.

Lasky: Good. Roland, has the Blue Team ready?

Roland: Yes sir.

Lasky: Tell them to be ready. I want Master Chief to be ready before deploying to native planet.

Roland: I already contacted him. He is ready.

...

Infinity V2, hanger bay

Everyone is prepared to deploy to a native planet. The UNSC marines are loading the crates of ammunition and equipment required for this mission. The ODSTs are readying their weapons to fight once they land on the surface. The grunts helped a Pallahuman to carry a heavy equipment box crate. The Elites, Yanme drones, Grunts, Hunters, Jackals and Brutes are ready with their weapons, vehicles, and aircrafts to be deployed to the surface to eradicate the monsters called Grimm.

The Spartans, The Blue Team, are near the UNSC pelican dropship ready with their weapons and equipment. These members are Frederic-104, Linda-058, and Kelly-087. They were standing there finishing checking their weapons and equipment then they had a conversation.

Fred: Looks like everyone is eager to go down there.

Linda: On the native world? What is it called? Remnant?

Fred: That's what Admiral Lasky said.

Kelly: You know, the humans on that planet, I feel disgusted.

Fred: Oh really?

Linda: The Faunus. How they treated them discriminately because of how they look. I really hate how they treat them, not to mention they have other enemies they should concentrate on?

Kelly: I don't blame you. But we have a job to do first before we can do that.

Linda turned her head to the left side looking at someone. She looked a bit sad at someone.

Linda: I wonder how he is holding up? After you know, Cortana is dead?

Fred: He's holding up. He got a new AI anyway. And besides, she looks more like a new Cortana than an old one.

There is a green spartan sitting on the crate box checking his ammunition on his gun. He wears a new MJOLNIR armor suit after he and other survivors of UNSC Infinity Supercarrier returned from Alpha-Zeta Halo ring. His name is John-117, or better be called himself Master Chief. To the Alliance of Species Orion, they called him 'Demon', because he killed so many enemies on his own in the Human-Covenant War. He is finishing checking his Assault rifle when his new AI, The Weapon with a new name for herself, Joy, spoke to her on the helmet.

Joy: Hey Chief.

He was silent for a moment.

Joy: Are you feeling okay?

Chief: Yes.

Joy: You sure? You are still feeling quiet after UGSE found us and sent us to our Earth.

He sighed.

Chief: It's nothing. We are here, that's all the matter-

Joy: Still upset about Cortana?

He silenced once more when she said about Cortana.

Joy: Chief, we already talked about this. I know you really care about her. But she's gone. Really gone. Of course, she may awaken the Guardians, police the galaxy, give speech to make every UNSC AI to her side, and blow up Brute homeworld. But Chief, she made me a copy because... because she wanted a second chance. For you.

Her words spoke to him like a real Cortana before she sacrificed herself to stop Atriox from using Halo Alpha-Zeta. He understood what she was saying to him. Deep down, he wants to move on to have a new life for him. Maybe this is what Cortana wants him for the best. He finished his assault rifle as he stood up and went to his team. The three Spartans look at him approaching them.

Fred: You alright?

Chief: Yes. I'm fine.

Linda: Chief...

She said in softly worry as she placed her hand onto his shoulder.

Linda: I know you miss her. If you really want to talk...

Chief: I'm fine. I just need a moment of time for myself before deploying to a native world.

She understood. Then, a female spartan wearing white MJOLNIR armor suit, Sarah Palmer, approaches them.

Palmer: Sounds like you have a conversation here.

Kelly: We're just prepared, Commander.

Palmer: Well whatever you have conversation here, it's time to go. We are about to be sent to the ground.

Fred: Finally! Some actions I need after I fight against Banished.

The Spartans grabbed their weapons and headed to the pelican, leaving Master Chief behind. The Weapon is talking to him.

Joy: You know, this may be a good thing.

Chief: Such as?

Joy: Maybe find something out there, colonize the lands, and make contact with the natives. And you need to socialize more with others. Perhaps you can talk a lot like the rest of the others.

Chief: I'll keep it in mind.

He said. He goes in a pelican dropship and flies out of supercarrier. All dropships from different factions fly toward planet Remnant to the continents on the other side of the world. They are about to start the mission that would change forever.

...

The Grimms roared as they rushed towards the Allied coalitions only to be annihilated. The Dominion siege tanks artillery fire the grimms in the far distance. The Daelaam zealots attack them in close combat with the blades as they slash them with full strength and speed. UGSE marines fighting alongside UNSC, Terran Dominion, and Allied Species of Orion against a wave of Grimms. Three Grimm goliaths rushed towards them only to be destroyed by UNSC scorpions and UGSE leopard tanks and caucuses. A pack of boarabtusks and creeps runs towards them in speed as they encounter UGSE heavy troopers equipped with M134 minigun as they mow them down faster. A protoss zealot jumps on Grimm beowulf as he strikes the side of the neck, killing it and turning into dust. His surprise of seeing a slain monster just turned to dust.

Daelaam zealot: These creatures turn to dust when they are slain.

Another beowulf at left side tries to jump on him to attack only to be gunned down by UGSE landrazor chaingun. A zealot saw a creature try to jump on him and UGSE saved his life, so he continued to fight. Dominion banshees along with UNSC shortswords bombing run on the ground to destroy a wave of grimm. A large group of nevermores, griffons, and sphinxes flying in the sky encountered Allied airborne forces. A group of airborne Rhineguards and Silviuses manage to defeat just a few of them then there are more flying Grimms incoming. Daelaam phoenixs and Purifier mirages join up to assist them against flying Grimms as they blast them from the sky. At the ground,

The Allies have established their base in separate locations to continue eradicating the Grimms in this land. They send more troops to assist them to engage Grimm monsters.

Four UGSE manticores artillery fire on incoming Grimms create large explosives in the field. Two UGSE harpy gunships fired Vulcan guns on Grimms on the ground. The Allied Coalition will eradicate Grimms for a few days to take over the lands. While they are busy eradicating all Grimm monsters, others send to three Forerunner structures in different locations to seize control of it so no native kingdoms will ever take it and use alien technology into the wrong hands.

...

Forerunner structure

The Allied Coalition entered the first structure as they were walking in the hallway. The inside of the structures are everything made of Forerunner origin. The Blue Team is leading this operation. UNSC marines, Sangheili SpecOps, Dominion spectres. UGSE Jager commandos, Daelaam zealots and 4 Purifier sentinels are also part of it as they follow UNSC Spartans to search around inside the structure. They keep entering each room as some see Forerunner sentinels flying around to each room.

Chief: Keep an eye on Forerunner sentinels. They are passive so don't attack them.

Purifier sentinel 1: So they called them sentinels. We are sentinels of Purifier.

UNSC marine 1: I can say you guys have the same names. Probably you long lost cousins?

He said jokingly. Purifiers don't have facial expressions, they can tell they are not interested in jokes.

Purifier sentinel 2: Don't compare them to us. We Purifiers are made to purify Zerg that are threatening to the galaxy. The Forerunner built the halo ring to wipe out every being in the radius. They have doom themselves, but at least they fix their mistakes.

Elite SpecOp: And when they are gone, they left everything behind to their facilities that have never been discovered until today.

Jager commando 1: Would be scary if we encountered the Flood here.

UNSC marine 3: We've done that before. I was part of the Battle of Ark when the Flood came to the doorstep and tried to consume us, but we beat them thanks to the Chief and Arbiter.

Jager commando 2: Glad we have veterans in this mission.

As they continue entering the next room, they see a large room with a few columns of Forerunner origins, and they see a hundred Forerunner constructors flying around the columns.

UNSC marine 1: What are those things doing?

Linda: Not sure. But don't drop your guard down.

Then a Forerunner monitor flies toward them, singing in mumbling. The Monitor light color is green. Everyone aims their weapons as Purifiers and Daelaams prepare their blades in caution. A monitor approaches them as it says in feminine voice.

Harmony Star: Oh! I didn't know I had surprising guests. Wait...

She scans Master Chief and his UNSC units and then she sounds happy to see them.

Harmony Star: Reclaimers! It is wonderful to stumble here.

Fred: Sounds like she's excited to see us, heh?

Chief: Identify yourself.

Harmony Star: I am 457 Harmony Star. I am a monitor of this world classified as R-177 as Forerunner called it.

Kelly: So this isn't a shield world or installation?

Harmony Star: No. Neither of them belong to the Forerunner.

Master Chief ordered them to stand down seeing she is not a threat, but keep cautious if she turns on them. He asked her a question.

Chief: Monitor, are there floods in three facilities?

Harmony Star: There is no Flood contained here.

Chief: And other facilities?

Harmony Star: None too.

UNSC marine 1: Phew! Good thing we don't deal with floods here.

He said to his comrades and allies.

Chief: What's the purpose of this facility?

Harmony Star: The purpose here is to upgrade the weapons, equipment, and technologies to step into a new era. The second on the north is for observation of inhabitants living this world. And third is for the Laboratory to experiment on the creature called Grimm.

Elite SpecOp: Hold on. You're saying the Forerunners are experimenting on Grimms? Why?

Harmony Star: To study the origin and how it is made of. You see, the Forerunner found an unknown vortex that takes them to another dimension so they sent a expeditionary fleet to enter the vortex and end up here.

Joy: So we are not the first ones to discover it.

Harmony Star: Unknown to the natives knowing our presence, we set up the facilities separately for our own purposes. We observe them from a far distance to see how they live in this world. The Forerunner captured some few Grimm creatures to the facility to experiment with, then they started trying to make one of their own.

Kelly: I'm feeling this is something not going well.

Harmony Star: As we continue to experiment, we create a new evolution of Grimms that are more dangerous than originals. Few have broken out the facility, killing everyone there, and spread across the lands. Some go to the other side where the primitive natives live and soon they encounter the most dangerous creatures we ever made. We are able to destroy most of them for our mistakes. After that, we start gathering DNA from the natives to create seeds ordered by the Librarian.

Chief: The Librarian. Here?

Harmony Star: Indeed. She learns that there are Gods here called themselves Brothers: One is Light and other is Darkness. She fears that one day they'll wipe out race entries on this world so she gathers all DNA to seed more humans to repopulate. However, as they continue making DNA seeds for humans, the Forerunner changes things on their own ideas. They wanted to add a race besides humans so they created Faunus, a human with animal resemblances in different body parts, the Librarian agreed to that decision and so, Faunus came to exist. After she left R-177 world, they continue to observe when all of sudden the the Great Purple Flash exterminate all life on world, including the Forerunners. While they wiped out organic life, we machines didn't wipe away. Me and other sentinels are the only ones to guard the facilities. We deploy the seeds to repopulate the world, both humans and Faunus. We thought they would get along, but sadly, they did not, instead they held grudges against each other, killing each other, and doing horrific things on both sides. As time passes by, I fear that the natives will get our technology and bring destruction to themselves so my new protocol is to protect the facilities from outsiders and isolate it forever. If you wish to continue...

Linda: No need to explain to us. But you can explain it to our superiors. They would wish to hear it from you.

Harmony Star: Very well. Now, is there any request you need?

An Elite SpecOps was the first to step in for a request.

Elite SpecOp: We would like to assist us to eradicate all creatures of this land so we claim it for ourselves.

Harmony Star: Of course! Anything for Reclaimer allies. What else?

Dominion Spectre: The Allied Coalition leaders like to take you to them for every information you have on this planet. We also like to build the shipyards so our ships can land and refuel.

Harmony Star: Of course. I'll order the constructors to build the shipyards for your ships and I'll like to meet your leaders. But before that, I want to show you something.

Chief: Hm?

Harmony Star: Please follow me.

She turns around and flies towards the room up ahead. Chief orders them to stay there and report to their superiors what they have found. They follow a monitor to the room where they see a few empty Forerunner cryo capsules on both sides. One of them is a person sleeping at the end. They stop to see inside a capsule of what appears to be a woman from this world. Her hair is mostly black and there is some red on it. Her dress looked messy, a bit shredded, and she looked like she was being attacked by Grimms or other hostile people. She was fully asleep lying there inside the capsule.

Kelly: What's this?

Harmony Star: While it was isolated from the rest of the world, I observed the outside to look at the natives doing their life. Then one day, I caught an eye to see this woman come out from the red portal that jumps out. She looks weak seeing she has been exhausted from fighting. The Grimms are engaging her as she fights back, but she is completely surrounded. Among them is a male scorpion Faunus attacks her in psychopathic ways. While I continue observing the fight, and despite my protocols, I decide to intervene. I brought the sentinels to take out those Grimms and I blast that scorpion Faunus away. Then we grab her and bring her here. Although her injuries seem critical and I have no medical experience I decided to bring her into this chamber to put her into a cyro capsule.

Fred: And you want us to give her some medical attention.

Harmony Star: That is right. I would like you to take her to where she can take medical attention for her damage.

Fred: Fine then. I'll make a call.

He said. As he contacted the comms, Kelly listened to her comms and then she went to him.

Kelly: Chief, the Forerunner structures are ours, and the Grimms will be eradicated in a few more days.

Chief: Good to hear. They'll pick her up at the medical bay. Meanwhile, we have other things to do.

Fred finishes talking on the comms and turns around to him.

Fred: They will pick her up at any minute, Chief.

Chief: Good. Monitor.

He faced the monitor.

Harmony Star: Of course. My sentinels will guard her until your people arrive to get her. Now, take me to your superiors.

Afterwards, they leave the facility to take Harmony Star to their superiors.

...

Harmony Star explains everything to them as best as she can to remember from those years. They were surprised that Forerunner had first discovered the portal, the same one the UGSE just discovered and later becoming an inter-dimensional alliance organization. It is also that they create Faunus using both human and animal DNAs because they want to add another race. After learning everything from her, Admiral Lasky tells her to join them for their mission, which she agrees excitedly. The UNSC brings an unconscious woman from a cryo capsule to take her to the medical bay. on The Forerunner constructors to finish building the shipyards for the ships so they enter the atmosphere and land it there to refuel. Once they eradicate all Grimms on these continents the superiors send reports to UDA HIGHCOM. Since there's no one living on the continents except Forerunner robots or the natives hadn't discovered it, they decide what to do next. So, they order them to colonize the lands. However, they need a plan to bring all the colonists quickly without using the ring dimension portal where they come from. Harmony Star has a bright idea. She tells them there's large structure called warp gate allows them to travel to other dimensions, so they took over it and used it to bring colonist ships to this planet.

12 days later, all colonist ships from different nations came in the dimension and took over the territories for settlement. The Umojans came to establish the settlement on the snowy land in the North. The Umojans ask permission to establish a base on the West Forerunner structure and allow scientists to perform studying there. The UDA accepts Umojan to establish there for only one condition: the UNSC will be there as well as bring scientists to study, so they decide to have joint operation on the West Forerunner site. Kel-Morian Combine want to claim that territory, however, knowing their reputation, the UDA decline them to settle their which angers Kel-Morian leaders, but seeing UDA is a far more powerful intergovernmental organization and coalition military force, they are forced to accept it and remain in their dimension. Everyone has settled their territories as their new homes as they move there for new living space and made a map to make borders of those who claim their territories.

Once they claim their territories, they will live in peace and prosperity although they must be ready if the natives know their presence, which is the Kingdom of Atlas that has the only military that is advanced, yet primitive to UDA. To reshape planet Remnant to be a better place, the UDA look eyes on Menagerie, a home of Faunus, to make a first contact to make them become their allies. They will change the Remnant world forever since first coming to the universe.