Hello Everyone, this is reader. Today I bring to you a crossover between the Mass Effect Series, Lost Planet and The Core. This story is based off the story "Alternate Humanity: The Lost Sol" by Orez Lanrete, which I recommend you go read the original story, along with other alt. history humanity they wrote. The idea of this story is a "what if" scenario where the sun disappears and how humans survive in this disaster. I have taken a large portion of the original story and put it into this, while also adding in my own style and ideas that I thought would improve the story. Well that's all I got say.

ENJOY!

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DISCLAIMER: I DO NOT OWN MASS EFFECT AND OR LOST PLANET, THEY BELONG TO THERE RESPECTIVE OWNER. ALSO, I HAVE THE FULL APPROVAL OF OREZ LANRETE TO RE-WRITE THIS FIC!

Chapter 1: When The Darkness Consumes

February 20, 2040 began with a normal morning, the faithful day when the world turn upside down, when all logic was thrown out out the window like it never existed in the first place. The sun shone brightly, showing no sign of what was about to happen. Then, in a blink of an eye, there was only darkness. The United Nations held an emergency meeting to discuss what had occurred, but any attempt to even understand what happened raised many more questions than answers. To simply put it, the sun just disappeared, without any trace of how and or why it simply vanished. This day would start what would be known as age of strife or what many would call it, "The Everlasting Winter Era".

Astronomer's and scientists alike began to predict the events that would occur in a future without the invaluable support of the sun. Within 5 years, the earth will begin to rapidly cool and the worlds oceans will freeze over. Without sunlight, Photosynthesis and all above-ground agriculture would cease immediately. Meteorologist predicted earth will have a supply of oxygen to support life on earth for another 1000 to 2000 years without any type of intervention.

By what some would call would be a miracle, the orange planet was close enough to earth so they could rotate around each-other, allowing earth and Mars and the asteroid belt that separated the two to remain in place. Unfortunately, other planets were not so lucky ans it was predicted that they would drift into space, and or slowly be torn apart, such as Jupiter and Saturn, without any sort of gravitational hold over them though the separation process would take a long time. All forms of know animals and plant species were collected from various pre-existing depositories or in the wild in order to preserve them for the future.

The worlds governments put away all forms of grudges, and declared to fully support each other knowing that not just a nation was at risk, but the humanity as a whole. When word was released that sun was most likely forever gone, it was the day the entire world stood still. Anarchy rampaged throughout the streets of the major cities, widespread panic set in among the populace. Countless people were killed during the initial stages of the crisis, mainly due to suicide or those unable to fend off the cold. Work began immediately to build underground shelters around the world, that would eventually be expanded to underground cities. Factories were re-modeled to produce warm clothing, and materials to build underground bunkers and cities that would be humanities new home during this era.

A great deal of technologies were researched and developed at a record pace in order to prepare humanity for the trial they faced. The world powers of the United States, China, Germany and Japan, and many others co-developed the various ingenious devices and tools. Huge mining lasers and drills were built to dig out great deals of earth to build great underground cities in just they had little time they had left do so. New luminescent lighting was created to brighten the greatly darkened city and to preserve the worlds remaining electricity, huge mech suits were built to move heavy equipment or to remove dirt and stone. Massive geothermal plants were built on thermal vents in the oceans while also being built near the earths core, which also were also used to provide warmth and heat to those inside the newly built underground bunkers.

Various types of thermal suits known as 'x-3' and x-4' series of suits were given to those who worked and still lived on the surface as the populations of earths cities and rural areas made the transition underground. A total of 8 massive cities and a multitude of smaller types of bunkers were built either underground or were built on the deep ocean floors to protect against the cold. The four underground cities known as Underworld, Sub-Tera, Sub-New York, and Sub-Asia were built on each of the main populated continents, while the cities of Rapture, Atlantis and Poseidon were built in the ocean bottom. These cities, along with the countless amounts of smaller bunkers were able to save most of the population, but not everyone was able to make it due to a persons old age, sickness and or the rapidly growing extreme coldness.

Within the first ten years of the beginning of the so called apocalypse humanity had managed to survive the initial ordeal of the loss of the sun. The world governments merged into one super government called the United Nation of Earth, taking the form of a democracy with a president elected from one of the great cities every 10 years. A governor was instated in each city, heading a council that would manage the cities needs with what resources they could spare. The humans were quick to adapt to life underground, building and expanding the cities at an accelerated rate. The global temperature reached almost absolute zero, the worlds oceans completely freezing while closing off the surface to the underwater cities. Only at the deepest levels of the ocean remained any sources of non-frozen water, even then it was extremely cold and just touching it would instantly give frostbite to the unfortunate person that did so.

This would begin humanities first step into a bleak and unforeseeable future...

The year EW 0048 would mark the first time humanity had returned to the surface since the start of the cataclysm. Explorers armed with the most advanced and powerful environmental suits set out into the -273 degree of earths surface weather, navigating through pre-existing drill holes made during the construction of the underground cities. What would surprise the group would be the strange animals that had evolved at a rapid pace to survive the eternal cold and night. The remarkable features of these animals was the creature natural bio-luminescence that it gave off in the form of a bright orange glow. The animals seemed to take no mind to their presence, only when they got too close they either ran or became hostile. The group was able to tranquilize one of the animals and brought it back for study. The scientists named the animal Akrids.

Akrids were a species of reptilian insectoids that populated earth surface, scientists believing that they were what remained of older species that had to adapt to earths new environment, but it had been also speculated that it could have also been mixed with extraterrestrial bacteria. What proved to be most intriguing was the creatures ability to survive on earths otherwise inhabitable surface through its use of a natural power source, named thermal energy and was the reason they glowed in the dark. The thick liquid like material was naturally produced by the Acrids, which allowed them to survive earths inhospitable cold through the energies heat. The substance had also been proven to be a powerful way to produce electricity when purified, with no known harmful side effects towards humans. This element had also lead to the Akrids regenerating a ridiculous rate, with most standard issue weapons being ineffective against them. To counter the possible threat of the attack by these animals, they created a diverse range of weapons. One of these weapons was known as the Harmonizer.

It was a technology that was able to purify the thermal energy, usually abbreviated as TM. This device allowed the user increased vitality, speed and regeneration, though not on the full scale of an Akrid. This technology allowed for humans to fight against the Akrids on a leveled playing field, being able to power energy based weapons through TM gained fighting the beasts. With the power of TM power, the technological marvel of vital suits were created to specialize in fighting Akrids. These machines were two to three times taller than a average human, and could be armed with various types of weapons that could be tailored to the user fighting style. A new military unit named the Hunter division was set up to fight the Acrids, while also being tasked to lead expeditions of scientists and engineers to the surface.

In EW 0048 the first outpost is created on earths surface in the ruins of the old world city of London, the station being dubbed 'New London'. The first TM power plant was built in the city of Poseidon, the experimental power plant becoming a resounding success and future plants are scheduled to be built in all cities. The plans were halted however, due to a lack of actual TM and the Hunters inability to move large amounts of the material from the surface to cities. An attempt to domesticate Akrids ends in failure due to the creatures inherent ability to resist control.

A breakthrough was made in EW 0056 when Hunters and scientists discovered a type of passive Akrid on the former continent of Europe. The newly discovered form of Akrid were named Akrid cows, as like cows they were easily domesticated by humans and quickly Akrid farms began to be built. With a steady supply of TM being harvested from the Akrid farms, the TM reactors resumed to be built within the projected date.

By EW 0085 major city had a functioning TM reactor, with geothermal energy being redirected towards heating purposes. The outpost system had been expanded greatly, with the construction of 'New Beijing', 'Old New York', 'New Tokyo' and 'New Moscow'. These outposts were much smaller than New London, but served as a way for teams to navigate around the planet more efficiently.

The worlds scientific community would be shocked again in EW 0096 when a baby girl named Mira Angelos was born with a extremely unusual mutation in the form of a new organ. This organ acted was able to produce thermal energy as if she was an Alkrid, but at a much slower rate. With permission from the parents, the babies new organ and system was studied with great care and a shocking new discovery was made. Thermal energy was found to have produced an invisible sort of radiation that could not be detected through normal technology, and through the exposure to the child from this foreign radiation through the use of the TM reactor had this organ grown. Scientists predicted that this mutation would become more common among children within a few years, and the organ was named the thermal core.

Again another showing discovery came in EW 0110 when the young Mira came into contact with a captured hostile Akrid. Instead of attacking the girl, it simply stood and stared at the girl as if it was observing her. The creature even allowed the girl to pet its head as if it was a common house dog. When scientists questioned her about the incident, she merely told them that she felt a faint bind between herself and the Akrid, and what she concluded from that feeling was that the reptilian animal would not attack her. After much research, a study concluded that living beings born with a thermal core formed a connection with each other, and was his the Acrids would primarily share ideas and thoughts between each other. But because of them separate species, they were not able to able to form a powerful connection. Nearly 300 babies were born with a thermal core, and the term Thermal Human was given to these individuals.

Nearly 25 percent of all humans were born with a T-core by EW 0145, it was found that as these children grew old they had much improved endurance, vitality and combat prowess than that of a normal human. The outposts on the surface of the earth slowly changed into small cities, with large and powerful plasma shield being used to separate the outside weather form the inside, allowing for the control of weather within these new cities. Many other cities were also built, but a majority of humans still lived in the underground cities. A new type of hybrid Akrid was created through breeding, and was able to produce oxygen through photosynthesis.

Only in EW 0171 did humans return to the great void of space, with the first rocket ship Explorer filled with engineers reaching the former international space station. The relic had been put into a hibernation by the former crew before they had returned to earth. The crew went around then station and restarted the ancient electronic system, restarting the basic functions before the entire station had returned to working condition within a week. Over a course of 7 months the station had went under great reconstruction, introducing the modern technology within the stations outdated electronics. This day had been marked by the President Nathan Jones as the end of the Everlasting Winter era, and so the world went back to using the Gregorian calendar.

2224 would mark the time humanity launched its first colonization of a celestial body outside of earth. Humanity built two massive space stations, known as Artemis and Selene stations within the moon. These stations would mark one of the greatest achievements of humanity since the survival of the great cataclysm. Due to earths relatively close position to mars due to the two planets creating an orbit around each, an ambitious plan to build a massive space bridge and railway between the planets began with initial hardship due to logistical issues. The new solar system was the Twin system, due to only mars and Earth being left of the former Sol system.

Mars had been partially colonized by 2245, the creation of New Hope marking the next step in humanities ambitious goals for space. A mining company discovered a large set of alien ruins in the northern sections of Mars. Unfortunately, the data contained within the ruins was mostly corrupted, with the data only showing that the station was built by a species known as the Protheans, and that they had studied early humans nearly 50,000 years ago.

2290, a massive 15 kilometer object was found on the edge of the Twin system, and is found to most likely be a creation of the mysterious Protheans. The object is theorized to be a form a type of FLT, but was unable to be activated for unknown reasons. The creation of the metal known as Brazium increased ship strength by a inestimable amount, allowing ships to travel into more hazardous areas of space without worry of being destroyed.

2320, one of the greatest scientific discoveries was made with the invention of the wormhole drive under the esteemed scientist Derner von Heissengor. The drive basically ripped wormholes from the ships present location towards that of its intended target. These wormhole drives were installed on a select few ships and were sent into the greater galaxy to test the drive. The test was a resounding success, and all ships and future ship designs were outfitted with these engines. Ships were able to be built to eye awing ship sizes, with some military ships reaching up to 15 kilometers long and armed with the deadliest weapons mankind had ever built.

2415, an initiative known as Project Dawn was secretly initiated by The United Nations of Earth. This project required immense resources, and a particular one that could only be acquired under specific means of production. The wormhole generator was created and used to teleport large objects up to the size of planets from their home location to a secret military research post in the system known as F23-46732. The particular resource needed for Project Dawn is unknown to most people who knew of the project, and is further speculated on what Project Dawn is intended for. Any information on this topic is extremely classified, and anyone who speaks of its existence would be placed under court martial under the guise of treason.

100 Years Later

Silence. Silence exist constantly in space. Within these silent parts of the Galaxy sits enormous structures known as Mass Relays. These structures were shaped like a tuning fork and had sets of revolving gyroscopic rings spanning 5 kilometers in the center. These same rings contained a massive glowing blue core of what is known as Element Zero. A unique element capable of creating a special energy field that can change the mass of objects within.

It was through one of these Relays that the silence was broken. 11 ships instantly appeared through a blue shift of light. Three were 600 meters long while the rest of the 8 were 200-300 meters. The ships vary in design with the majority of them having a bird like design with wings at the sides of the long body. There were two other designs, an oval shaped with 3 long arms to the sides and bottom, and another design of a slimmer aquatic shape.

Within one of the 600 meters ship was a meeting room. This largely decorated room was filled up to 15 people of various species. The majority being a race known as Turians, a bird-like bipedal race, with the second and third being the Asari race, a blue skinned humanoid race, and the Salarian, bipedal amphibious creatures. There were 5 exceptions, one being a Quarian, the other four being Krogans. The Quarians were a race with a almost non existent immune system causing them to always wear an environmental suit. The Krogans were a large reptilian race known for their strength and blood lust.

The group of aliens were quietly chatting to each other as one Turian entered the room. The Turian was dressed in a generals armor, looking across the group before clearing his throat, silencing most of the chatter. Nodding to the fact that he had their full attention the Turian said, "Alright, if you'll all be settled, I may begin to tell you why you all are here. First of all, I am General Sakarus, and this is the current predicament we are in."

Activating his omni-tool, a holographic screen appeared beside him showing a purple planet. "This is, or was, a planet known as S302-P04(1), about the size of Pavalen," the Turian started, "It was a planet discovered during the early days of the Citadel Council when the Salarians were still opening the Relays, just before the Rachni Wars. As a result of the wars, the planet was forgotten and only recently did the Salarians remembered this planet in their documents."

"About 8 days ago in Galactic Standard time, the Salarian Union sent one of their stealth ships to scan the planet for mining operations. They found two things." The General held up two talons. "One was that the planet was immensely rich with minerals and resources. It was literally filled with Platinum, Iridium, Palladium and most importantly Element Zero." One talon fell down. "However, it was the second thing that prevented the mining operations to begin." Tapping on his omni-tool, the screen switched its view of the planet to an object. It was cylindrical in shape and was not very big, just a meter tall. "40 of these objects were placed all over the planet."

"What are they?" one of the Salarians asked.

"We believe they were beacons," Sakarus replied.

"Beacons? Were they built by the Protheans?" one of the Asari asked.

"No, these were not of Prothean origins," he answered, "We know this because the materials used was completely foreign to us, and most importantly, they were planted merely a few days ago before the Salarian team scanned the planet. Currently we are unsure about who planted these beacons, but we will explain this later"

"So what happened? We wouldn't be here unless something happened." this was from another Turian.

"The Salarian crew decided to report back to the Union about this and left a stealth probe to watch over the planet. This was what the probe recorded a day later." The screen switched again, this time being a video, showing the planet with the time at the corner. Nothing happened for a few minutes before black spheres appeared over the planet's orbit shocking the crowd. The spheres soon faded before revealing something that gave the group even more wide-eyes. From where the spheres previously were, giant ships, much larger than anything any race, except the Protheans, they knew of had built before, hovered over the planet with a menacing look.

"Keelah..." the only Quarian whispered in an amazed tone, "How big were those ships?"

Pausing the video the Turian answered grimly, "Our scientist and experts believe those ships were 10 kilometers long, and there were 14 of those ships all together."

"By the Goddess," an Asari muttered, "How did this race managed to build such large ships without burning their mass Effect Cores?"

"We don't know," General Sakarus replied, "That wasn't what really worried the Council. It was what happened soon after the ships arrived that is the most worrying." With that the screen resumed playing, showing the ships moved to a grid like pattern, forming a hexagonal prism pyramid structure around the planet. A moment later, to the shock of all those present, a massive black sphere similar to the previous ones before emerged from the planet itself, covering it entirely. Purple energy can be seen flowing from the orb, almost like a black sun, before the entire sphere contracted and disappeared along with the planet and the ships. Where there was once a massive planet, nothing remained.

Silence entered the room completely as the General paused the video again. You can't blame them for their reaction. They just saw an entire planet disappeared without a trace. One of the Salarians asked with disbelief, "What was that sphere? We saw the same thing when those ships appeared but what is it exactly?"

"I don't know the specifics behind ti but one of our best experts, Professor Ivin Delus will explain some possible theories that he as created with the information available to us," the Turian said, the said Salarian walked up to the front.

"Thank you General," Ivin said politely as he turned to the group, "From what we have seen so far, our best guess is that those spheres" the screen re-winded back to an image of the black orbs, "are artificially made wormholes."

"Wormholes?" a Turian soldier asked.

"A special tunnel in space-time. I won't bore you with the technical details but it is basically a shortcut allowing instantaneous travel throughout the galaxy." the Salarian stated getting a few mutters between the scientists in the group, "We had theories of such things as an FTL method but we had long put it away in favor of Mass Effect technology. We found the technology light years away from possible use, so we Salarians abandoned that idea centuries ago."

Stepping in the General said, "and it was through this that we believe this race managed to move an entire planet away from its system."

"But why do such a thing?" another Asari questioned. Others in the group also asked similar things. It doesn't make any sense to them. Why move an entire planet? Why not just colonize it and begin mining operations instead?

"Again we do not know," the General answered with a grim face before continuing, "And that's why you are here." With that all attention was once again on him as he moved his holographic omni-tool. The screen shifted once more before settling on a different planet. This one a garden world with green vegetation seen from the orbit.

"Two days ago on galactic standards, an STG scout group discovered the same beacons founded on S302-P04, were discovered to have just recently been planted on the surface of this planet. We believe it is how they mark the planets they will take and as such, our mission is to attempt first contact." The Turian said getting again, wide-eyes as a response. "The Council is not taking any chances with this one. That's why we have a Quarian and the Krogans with us." the attention is now shifted to the five at the corner. "Ship engineer, Vashti'Forchus is one of the most recognized experts in ship design and construction, and the Krogans are in case things get out of control and we needed some heavy hitters." The last statement sent the krogans grinning devilishly while the Quarian shyly waved her hand.

"Our main ambassador is Matriarch Denalia and she will do most of the talking and hopefully will be able to perform a meld. I want everyone to keep weapons facing down if we meet face to face." General Sakarus ordered as he focused his eyes on the group. "I cannot stress how important this is. We are going to meet with a race capable of transporting planets. If they can move planets they can most definitely destroy them as well. We can not be allowed to fail or cause a war to erupt between our races, millions of lives will be in danger if we do. This is something that I would akin to a possible Rachni level of possible destruction of war were to occur. We'll be arriving at the planet S434-P05 within 5 galactic hours. By then I want everyone ready and able for the mission at hand. That is all, you are all dismissed."

Definitions:

Thermal Energy - An energy source only present on the human home world of Earth. It is found naturally within both Akrids and humans born with a Thermal Core, and is usually found in liquid forms in orange or gold colors, though other forms of rarer types of thermal energy have been found in a multitude of different colors such as blue, purple, green and a few others. Thermal energy has many strange properties such as giving off a form of natural heat, sticking together when multitude blobs are placed near each other and also increasing the abilities of those who are Akrids or Thermal Humans. This energy source is the main drive behind most human technologies, as such it is hard to replicate them due to a ban on its trade to any of the Citadel species.

Vital Suits - Large mechanical suits that were initially built to fight Acrids, but have been used in warfare against other types of criminals or species. These suits are generally three times taller than a normal human and are generally powered by Thermal energy, though there are some exceptions to this. These suits can be armed with a multitude of weapons including assault rifles, sniper rifles, cannons and such. Usually are stationed on all military human ships, and are very hard to destory with mass effect based weaponry.

Harmonizer: A human innovation created from the observed high speed regeneration that Akrids have naturally. It automatically stores and purifies T-Eng, and through this the energy is used to provide power to tools and weapons. It's most prominent feature is that it gives the user the same high speed regeneration of the Akrids. Humanity hoards all information on the creation of this device to the point of including a self destruct module when the user dies. Most models of the Harmonizer also includes a grappling hook, and other types of tools that can be specified towards the specific wearers needs or jobs.

Brazium: A unique metal synthesized by the humans that is used in the production of Human ships. The method used to create the material is completely restricted only to humans and is forbidden to be traded. Scans on human ships have shown that it is made up of Tungsten and Titanium, but how the fusing of the two metals was done however is completely unknown to the Citadel, and what was known was that the material is capable of becoming stronger the more pressure and heat it receives. In its base form or just after it was forged it is merely 50 times stronger than steel. After a special process, suspected to be exposing the material to the Outer Core of large planets, it becomes even more times tougher instead. Making it one of the strongest known material second only by the material the Relays are made out of. It has been speculated that if a ship with a Brazium hull was sent through a sun, it would come back out even stronger the Relay materials.

Well, that's a wrap! Thanks for reading, I just loved this story idea and wanted to make my own version of it while continuing what could make a really interesting you have not, please read the original version written by Orez Lanrete and the other stories he has made, as they are definitely wroth a read. On a side note, I am currently working on a lot of fics atm (Alongside IRL Stuff, curse you life commitments!) and so that is why I am uploading at a much slower pace. But do not be discouraged, all of my stories will be updated and continued will just at some time in the near future. If you have any criticisms, ideas or just want to contact me, just leave a review or send me a PM. Thanks, and Have A Nice Day!

Chapter 2: Homeside