This is my first fic. Updated as of 9/14/2014

Halo and Mass Effect Crossover (with cameos from The Clone Wars, Final Fantasy XIII, and Resident Evil), When the UNSC discovers a Mass Relay in Delta Halo System, it will trigger something that will cause the Galactic Federation's entrance into a new war, meanwhile the crew of the SSV Normandy II is sent to Elysium again to investigate the appearance of two unknown starships, with the names of UNSC Spirit of Fire and UNSC Second Chances, inspired by The Reclamation Has Begun, slight AU. Chief X Parisa, Lasky X Palmer, and Shepard (M) x Ashley.

Prologue: And So It Begins

"Shepard is right about one thing, they won't stop at Earth, they'll harvest us and wipe out any Synthetics that get in their way, we need to win this war together."

LCDR Ashley "Ash" Williams, XO of the SSV Normandy, Fifth Fleet

1245 Hours, July 27th, 2186 Citadel Standard, 6 weeks after the Fall of Earth

CIC of the SSV Saint Helens (DN-10), Elysium orbit, Vetus system

Today was a boring one for Admiral Hannah Hackett Shepard. After fleeing the Reapers invasion of Earth weeks ago, she was assigned to guard Terra Nova from the Reapers by Fleet Admiral Steven Hackett, but Terra Nova was attacked by the Reapers shortly after, and ordered the colony to be evacuated and to send the transports to the Citadel while she was went to Elysium to supplement the Second Fleet (which was reformed thanks to Ninth Reserve Fleet's ships) but there were only a few attacks by Cerberus.

'Human first bastards.' Hannah thought, she was glad her son wasn't brainwashed like the rest of the human terrorists, Hackett had told her that little Alex managed get out of Vancouver in time.

"Boss Lady, were picking up a unknown vessel drifting towards the planet, the Radar operator reported, it doesn't match any known designs, that includes the Reapers ma'am."

The ship were put up on holo, it looked like it was powered down.

"That ship seems to be powered down." Captain Justin Raz pointed out.

"They look like they're designed by humans." Hannah noted, her North American accent standing out.

Everybody in the CIC looked at her, looks of shock on their faces, were there even more humans out there or were they just some sub species like the Quarians and the Asari?

'No Hannah don't think like those people with crazy theories?' She thought.

"Oh for Christ sakes." she yelled. "Somebody report this to Hackett and the Council."

She looked at the name 'Hm, UNSC Spirit of Fire, Wait a second UNSC.'

"Never mind, I'll report it myself." Hannah said.

Meanwhile aboard the UNSC Spirit of Fire (LPM-88)

1249 hours, July 27th, 2557; 4+ days Post-New Phoenix incident

Nearing Vetus II, Vetus System

The modified colony ship's resident smart AI waked up from her standby mode for 801st time.

"Well what do we have here." Serina said in the British accent that belonged to her brain donor, before her death.

Seeing several dozen ships in orbit of a garden world. Her instincts kicked in to quick thaw Captain Cutter and the crew; it's something that was to be done in an emergency like now, if something that'll threatened the crew like the Covenant Hegemony (my alt. name for the Covenant). Some of the ships look like human in design.

"Captain wake up, the AI said, something's happened."

Her avatar formed on the AI pedestal, just as the side affects of the quick thawing worn off.

"What is it, Serina?" Cutter asked.

"We've got unknown ships and a garden world nearby, it looks like their on alert." Serina reported.

"Get us on the planet now, and wake up the remaining crew now." Cutter ordered.

"Quick thawing everybody, so we can all die together, aye sir." Serina said, not losing her sarcasm over who knows how many years they've been a drift, the crew assumed she got it from her brain donor.

"I'll begin my decent, The AI said, think we should send distress signal out, sir?"

"Do it." Cutter, desperately wanting to see if his family is alright, like everyone else will be like once their out cryo.

"Shall I tell the professor and Spartans to come to the bridge, sir?"

"Yes Serina." Cutter ordered.

"Aye Sir." Serina replied.

Down in the cryo bay...

Professor Anders slipped her usual lab coat on, then proceeded to the bridge as the captain told her. She noticed several crew members running towards their stations. She then saw the Spartans of Alpha-Red (note: these are the Spartans from Halo Wars), heading towards the bridge as well.

"Hey, uh Jerome isn't it, Anders tried to start a conversation with the super-soldier walking beside her, do you know what the hell is going on?"

"Don't know professor, Jerome replied, but I do think something stirred up Serina enough to thaw use out."

"I'm with you on this Jerome." Another Spartan Alice chimed in.

The door opened to them only to see that Cutter and Serina have a discussion about something.

"All I'm saying in Captain is that I'm not undergoing rampancy." Serina defended herself.

"Fine, I'll take your word for it Serina, Cutter gave in, but I swear if you try to kill us I have one of the Spartans crush your data chip."

"Don't worry boss if it comes to that, I'll purge myself and to let you know I was using a prototype standby mode for AIs." Serina told him.

The both of them looked towards door to the bridge and saw the Spartans and the ship's chief scientist. Anders was just surprised that Serina wasn't undergoing rampancy, the Spartans looked towards the view screen and saw the planet. "Sir, is that what I think it is?" Jerome asked and Captain Cutter nodded. It was after what Jerome-092 said that caused her to look at the planet and saw a fleet of ships holding position around the planet.

"Oh shit." Ellen said.

"Took the words right out of my mouth, Professor." Alice implied.

Back aboard the SSV Saint Helens...

1334 Hours, July 27th, 2186 Citadel Standard, 6 weeks after the Fall of Earth

"Sir, the unknown vessel is moving towards the planet, what should we do?" The Radar operator reported in.

"Let them land, Hannah said, they may have been drifting for years."

"Where do you think they'll land." Captain Raz said.

"I don't know captain." She said to the ship's captain.

"Ma'am, we got Reapers entering the system." The radar operator chimed.

'You got to be shitting me.' She thought as around two hundred Sovereign-class Reapers enters the system.

"Screw sending the report myself, Captain you send it." Hannah growled out as a cruiser, the Hereford was destroyed by Reaper Capital Ship.

"No you send it ma'am, and if worse comes to worse, get to an escape pod." Raz protested.

"But Captain, your gonna get yourselves killed." Hannah said.

"It's been an honor." Raz said as saluted.

"Likewise." Hannah said, returning the salute and running towards the comm room.

Reaching the comm room, so she could sent a call to Hackett, her older brother.

"Yes Hannah, Hackett said, what's going there?"

"It's the damn Reapers, they just entered the system, but my ships are trying to give them hell, Hannah reported, but we're getting massacred in the process, so I'm going to be needing help fast, and one last thing an unknown ship crashed on the planet, it had life forms onboard, sending you what we know, Vice Admiral Hannah Shepard out."

The Saint Helens rocked to its side as she took a hit, causing the Alliance fleet officer to grab a nearby . A squad of marines came into the comm room armed with standard issue weapons their squad leader, her second child Jane approaches her, handing her a pistol.

"Mom, the captain told us to go with you planet side." Jane said.

"Then let's get the hell out of here." Hannah said in a calm tone.

They started to run down the corridor to life-pods, the dreadnought lurched to the starboard. 'She's not take much more of this.' Hannah thought to herself. A few minutes later they were in a life pod descending into Elysium's atmosphere, the Saint Helens was destroyed, but not before ramming itself into a Reaper crippling it, later torn apart by the remaining ships.

"I hope help gets here soon or Elysium will be lost." She said under breath.

Meanwhile...

1245 Hours, July 27th, 2186 Citadel Standard, 6 weeks after the Fall of Earth

SSV Kilimanjaro (DN-04), Allied Rally Point

Hackett looked at the data pad in his right hand, a new species, but possibly humans. He looked toward the comms and said: "Comm," Hackett said an order to QEC Operator, "get a connection to the SSV Normandy Two."

"SIR!" He said as he followed.

Hoping that Shepard is onboard the vessel, only to see his XO and lover, Lt. Commander Ashley Williams; and his connection to the Turian Hierarchy: Garrus Vakarian show up on the QEC instead.

"Admiral, and before you ask, Shepard told the both of us to answer any calls from you." Williams answered, he looked towards Garrus who was leaning against a bulkhead who said:

"Shepard is fighting Cerberus on Shanxi."

"Okay pass on the message for me." Hackett ordered.

"What do you want us to tell him?" Garrus asked.

"Tell him that something has developed on Elysium and I want him to check it out, the local fleet's CO will brief, if you can find her." Hackett told them.

"Yes sir." They both said in unison.

"Alright, Hackett out." Hackett said as he cut the transmission.

"I hope whatever is going on at Elysium doesn't become the end of us all." the fleet admiral said under his breath.

To be continued in Chapter 1…

CODEX:

SSV Saint Helens: the final ship of the Mt. Kilimanjaro-class Dreadnoughts to be built. The Saint Helens is the flagship of the Sixth Fleet, after the destruction of the fleet's HQ on Terra Nova by Cerberus operatives, it was moved to Elysium to supplement the reformed Second Fleet. It's currently commanded by Admiral Hannah Shepard.

UNSC Spirit of Fire: A vessel of the Phoenix-class colony ships, the Spirit along with many of her sister ships were turned into the versatile Lightening Bolt-class assault carriers (my name for Phoenix-class colony ship's refit version), equipped with a number of UNSC Ship mounted weaponry including a modified MAC Gun, these ships of war can carry an entire Marine or an Army Brigade. The Spirit went missing in Early February of 2531 after trailing a CCS-Class Battlecruiser because ship's commander, Ripa 'Moramee captured an unofficial ONI Scientist: Professor Ellen Anders, outside of UN Space and Covenant never to be heard from for the next 26 years. They actually followed it to a Forerunner Shield Installation and destroyed a fleet of Forerunner Keyships but caused the death of Sergeant Major John Forge who stayed behind to destroy the forgotten fleet and have been adrift since.

United Nations Space Command: The UNSC is the military, scientific, and exploration organization of the United Nations of Earth and Her Colonies (Also known as the Interplanetary Commonwealth; commonly known as the United Earth Government). The military arm of the UNSC is the UNSCDF, the scientific arm is known as the UNSC Scientific Corps, and the exploration is known as the UNSC Department of Spacial Exploration. During The Great War the Secretary-General of the UN at the time, Fredric Hanson Jr. was forced to enact Secretariat Order 45, where martial law was put into effect throughout the edge of UN space and later more developed human colonies, he also gave the UNSC permission to disband the Colonial Administration Authority (and it's own military force; the Colonial Military Administration). After end of the war on March 3rd, 2553 the UNSC returned powers back to the UN. So far the UNSC has been on forefront of the Galactic Federation of Interstellar Nations' peacekeeping missions. The UNSC Joint Chiefs of Staff and High Command are the organizations responsible for running the UN's military forces.

Galactic Federation of Interstellar Nations: The Galactic Federation of Interstellar Nations also known as the Galactic Alliance is a democratic alliance between the United Nations, Confederacy of United Systems, United Federation of New Victoria, United Republics of the Sangheili, Federation of the Culan Sector, and many other governments. GFIN HeadQuarters is located on the joint colony of Concord. The Galactic Federation is known to be the first recorded interspecies democracy with the goal of keeping peace in the Orion Arm.

A/N: So here is the first chapter of my first fanfic. Tell what you think. And another thing I wanted to let you know that I wanted to have a connection between Hannah Shepard and Steven Hackett. I won't promise any updates every day. I'll be adding more to this chapter soon. I'll revise the chapters when I upload them. See you later.