Prologue: After the Reapers
After Commander Shepard activated the Crucible and used it to destroy the Reapers, the galaxy changed so much. This is the new look of the whole galaxy after the Reaper.
Commander Shepard: After he activated the Crucible to destroy the Reapers, he survived and his body fell into the Citadel. He spent three days struggling to survive before the rescue team found him unconscious and bleeding. The rescue team brought him to the nearest hospital on Earth, where Shepard awoke three weeks later after the Reaper were defeated.
Commander Shepard went to a commendation ceremony and received many awards, and was promoted into the rank of Admiral. In 2187 he married Ashley Williams and she gave birth to his only son, William in 2189. He continued to serve the Alliance until he retired in 2214. After his retirement he went to live on the new Arcturus Station with his family.
The Alliance: The Alliance quickly recovered after the Reapers were defeated, rebuilding most of their ranks after suffering many casualties at Arcturus Station, to Second Fleet, etc.
But there are many things that the Alliance couldn't bring back, such as the Crucible. The Crucible permanently shut down after Commander Shepard had activated it. So, the Alliance placed the smaller version Crucicle on Earth and used it as a war memorial.
Earth became the hub of the galaxy thanks to the transportation beam left by the Reapers.
Admiral Hackett: Was elected to the Minister of Defense in 2188, and he continued to serve the Alliance until he retired in 2194 and he return to his home city, Buenos Aires.
The Mass Relay: The Mass Relays were shut down immediately after the Crucible released its energy. Fortunately, the Crucible's energy only damaged the Mass Relays' "Ring" and the spaceships across the galaxy easily recovered them.
The scientists with the fleet gathered on the Citadel and spent a few days learning about the Mass Relays and quickly gathered enough information to understand them. The engineers and the scientists from all species started to repair the Charon Relay and other relays across the galaxy. With the comm buoy still intact and the controlling VI still active, the communication between star systems made repairing the relays easy.
The Relay network returned to the normal condition in two weeks after the Reapers were defeated.
The Citadel and the Council: After the Reapers were defeated, the Citadel remained intact and people survived, included the Council. The Council re-established the government but the Citadel being permanently placed in Earth's atmosphere forced The Council to move their office into the Alliance territory.
So the Alliance and the Council solved the territory problem by making the Citadel a special territory of its own known as Citadel Space; just like the Vatican back on Earth.
Now the Citadel and Earth link together by the transportation beam left behind on Earth.
The Krogan: After the war, Urdnot Wrex united the krogan clans and established the Krogan Commonwealth. Wrex and other krogan clan leaders rebuilt Tuchanka together.
By 2190 the krogan finally had their own embassy on the Citadel and later, in 2195, the krogan finally gained a Council seat on the Citadel; becoming one of the strongest races in the galaxy.
The Quarians and the Geth: After the Reapers were defeated, the geth were destroyed along with them and sorrow was brought to all quarians. Without the geth, the quarians established their government on Rannoch and expanded their territory to the west of the Terminus System.
In 2192 the quarians gained the Council seat on the Citadel and later, in 2196 after ten years of trial and error, they revived the geth, but all of their memory was gone; due to the energy pulse shutting them down. Now the quarians are using the geth as a workforce but they never used them for combat again.
Ashley Williams: When Ashley and the crew heard the news of the rescue team finding Commander Shepard, she quickly rushed to Shepard's location. After Shepard recovered and went to the commendation ceremony, they both received their recognition and Ashley was promoted to the rank of Major.
Then, in 2187, Ashley married Shepard and later, in 2189 she gave birth to her only son, William. Ashley continued to serve in the Alliance with her husband and retired in 2218, she lived with Shepard on the new Arcturus Station.
Joker and the Normandy: When the Normandy had crashed on an unknown planet, Joker and the remaining crew spent two weeks repairing the ship. After repairs the Normandy flew back to Alliance Space.
After the crew heard the news about Shepard they quickly travelled to the hospital. Joker was the first person Shepard saw after the battle. Like the others, Joker received his awards and one of the highest a pilot could get; the Platinum North Star. He served the Alliance on the Normandy, until she was decommissioned in 2214 and now the ship is in the Space Flight Museum on Arcturus Station.
Joker retired in 2215 and returned to live in his small house on Tiptree with his remaining family.
Garrus Vakarian: Later Garrus returned to Palaven and attended the turian version of a commendation ceremony where he received the highest medal of honor; the Golden Palaven Globe. He continued to serve the Hierarchy as Primarch Victus's military advisor. Later in 2202, he left the hard life of service and lived with his wife, Tali on Rannoch.
EDI: When the Crucible's energy wave was trying to "swallow" the Normandy, Joker knew it would harm EDI and her system. So, he forced EDI to go offline and controlled the Normandy himself. That's when the wave "swallowed" the Normandy and sent it crashing onto an unknown planet. After the crash the AI Core remained intact and EDI's body was also in one piece. So, after EDI came online again, she helped the other crews repair the Normandy.
Then the Normandy flew again returning through the Sol relay within a day. EDI continued to serve on the Normandy with Joker until the day it was decommissioned. EDI moved her Quantum Box to Joker's house on Tiptree and lived with his family as his lover.
Tali'Zorah: After the war, Tali returned to Rannoch and there she started her new life. She quit the job as Admiral and ambassador, to starther new life as a head scientist. She began working on her special project; the project that could revive the geth: Project VITA. She recruited many scientists from many species such as the quarians, humans, salarians, asari, etc. Her project succeed in 2196 when she revived the first geth with the others following closely behind; Now most are active and fully-functional aiding the Quarians in rebuilding.
Some quarians wanted to use the geth in combat but Tali refused. So, she removed most combat functions inside the geth and left only the defensive protocols. Some quarians didn't agree with her but as the overseer of the project, it was ultimately her decision. With her project complete she resigned and now lives with her turian husband, Garrus.
Liara T'Soni: When the war ended, Liara was secretly funded by the asari government to build a new Shadow Broker ship. In exchange, the asari government wanted to gain full access to her information for free. At first, Liara didn't agree but then the asari government changed the deal to gain access to information about the STG instead of all her information.
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Liara accepted the deal and the ship finished in 2188 then she moved her office from Normandy to her new base. Besides being the Shadow Broker, Liara continued to search for the Prothean's stasis pod like on Eden Prime. In 2194, Liara found a Prothean ruin with many intact stasis pods on the planet that the Normandy crashed landed on. She woke them up and then she brought them to the Citadel. Later she began to study the races that came before the Protheans such as the Inusanon, the Leviathans etc. Now she is a professor and teaches about ancient galaxy history at the Serrice University.
Javik: The Prothean went to Eden Prime with Liara to pay a respect to his brothers-in-arms. After saying goodbye, he drew a pistol and was going to pull the trigger to end his life. Fortunately, Liara convinced him to stay longer and he accepted. He agreed to stay alive for another 10 years, before he would join his comrades. In 2194, Liara found another stasis pods and she woke them up.
At first they were confused but Javik was there and explained the new galaxy to his fellow Protheans. Now the Protheans are back and Javik wants to live with his race and restore the Protheans to its former glory. Javik helps the fellow Protheans by helping Liara teach about Protheans' History in Serrice University.
James Vega: James -like his fellow soldiers- received many commendations and was promoted to the rank of Major. He received the N7 training and passed with one of the highest scores. He fought countless wars for the Alliance. Then, in 2198, James was promoted to the rank of Admiral of the Fifth Fleet and became a Spectre. He missed his combat life on the field but being an Admiral was perfect for him keeping him in the military and fighting for his race.
Samantha Traynor: After the war, Traynor left the Normandy and worked in a lab. She developed instant, long range communication. She spent some time studying the rachni and then she discovered that some methods the rachni use, can be adapted by other species too.
She invented the instant, long-range communication implant called "Nuntius" but found it works for human only; for now. Her implant helps the Alliance soldiers in their combat training and later in the field. Traynor now lives peacefully on her home planet Horizon.
Steven Cortez: After the war, Cortez left the military service and became a helmsman for the MSV Glory, the merchant freight. He served the Glory until 2199, the Glory was raided by pirates in the Terminus System. Cortez got to the escape pod landing on a uninhabitable planet. He spent half-a-year surviving and waiting for the rescue until the quarians found him and rescued him. He was sent back to Alliance space after two weeks of recovery. Now, he spends most of his time as a flight instructor on his home planet, Fehl Prime.
Karin Chakwas: Doctor Chakwas continued to serve on the Normandy until the day it was decommissioned. She returned to Mumbai University and became a professor and teaches about medical technology there.
The Batarians: Balak and his remaining forces returned to Khar'Shan after the war to restore the Hagemony. Under his rule, The Hagemony abolished slavery for the first time in the batarian's history. The batarians started to restore the relationship between the Citadel and between the Alliance. In 2188, The Hagemony reopened the Embassy on the Citadel and establishes the Batatrian Embassy on Earth. In 2214, the batarians gain a Council seat on the Citadel and the Hagemony becomes an ally of the Alliance and a proud member of the Council.
Aria T'Loak: Aria stayed on Omega after she retook it from Cerberus, changing Omega to the hub of the Terminus System. She united the scattered mercenaries, smugglers and pirates to her banner. In 2192, she established the relationship between the Council and the Alliance, making the Terminus faction one of the most powerful in the galaxy.
The Rachni: The rachni helped the galaxy to rebuild but later In 2200, they settled on the planet in the Nemean Abyss and now dissociate themselves from the rest of the galaxy.
The Leviathans: After the war, the Leviathans isolated themselves from the galaxy and no one ever saw them again.
Miranda Lawson: Miranda returned to Earth with her sister Oriena. There, she helped the Alliance research technology from the dead Reapers. She discovered many new technologies from them. Later, Miranda and Oriana become freelance scientists and live together happily on Earth.
Jacob Taylor: Jacob and his wife Brynn Cole help the Alliance rebuild Earth. In 2198, Jacob becomes the biotic trainer for the Alliance and lives on Earth happily with Brynn and his daughter, Shepard.
Zaeed Massani: Zaeed returned to the Terminus System and lived as a bounty hunter. In 2203, he retired and put his old memories behind him and lives in his home on Watson.
Kasumi Goto: Kasumi returned to the Terminus System and continued to be the galaxy's most famous thief. She still keeps Keiji's graybox with her at all the time, never forgetting her love.
Jack: After the war, Jack returned to the Grissom Academy with Kahlee Sanders and her students to reopen the Academy. In 2187, The Academy returns to its normal condition. Later, in 2199, Jack becomes the director of the school when Kahlee Sanders retired.
Samara: Samara helped Falare to rebuild the Ardat-Yakshi Monastery. In 2189, Samara returned to Thessia to help the remnant of justicars train a new generation. She spends most of her time training the Justicars on Thessia but she visits her daughter regularly in the Ardat-Yakshi Monastery on Kalini.
Grunt: Grunt returned to Tuchanka after the war and received many awards from Wrex. He became the Warlord and Wrex's second-in-command. Later, when Wrex and other krogan clan chiefs established the Krogan Commonwealth, he became the Minister of War of the Commonwealth and later, the first krogan Spectre.