Origins

Origins is a new storyline in the Assassin Creed storyline. It follows Craig Hanover as he uses an Animus to learn the location of the Pieces of Eden to aid his nation from the Templars. His ancestor is a Spartan assassin named Aetos.

Plot
In modern times, Craig Hanover is an assassin in Greece. Templars begin to attack the city, and most of the Assassins are killed. Desperate to know where the Piece of Eden is located in Greece, he uses an Animus to relive the memories of Spartan assassin Aetos.

In 492 BC, is a seventeen-year-old assassin nearing the end of his Agoge training. During one of his trainings, he learns how to fight. During a fight with his best friend Leo, a wall is blown down and Persians break into the camp. He and Leo fight the Persians, but their are too many. Using free running they escape the camp and get into the city. They fight more Persians and they get to Aetos' home. He finds the Persians have killed his family, and he declares revenge. An assassin named Themis remarks their skills, and invites them into the order. They fight out of the city, still a coach and go to Amyclees.

Once there, Themis gives them hidden blades and a sword. He tells them some Persians had weasled their way into the city. They kill them, and Themis initiates them into the clan. Aetos performs his first leap of faith, initiating him in. The memory fast forwards a year later as the three have made it to Oreos. Themis assigns Aetos to cleanse Athens of the any Persians. After riding through the countryside he makes it to Athens. He assassinates his first target, a general named Habanus, and narrowly escapes. Inside the bureau, a mob attacks, but Aetos kills the leader. The mob then declares its loyalty to the assassins, and they are recruited. Aetos them takes over several Persian Dens, and can assign assassin recruits to them. Aetos then assassinates his next target. The Persians then send a crew to assassinate Aetos. During his travels around the city, Aetos has random encounters with the crew. He eventually kills them all, and the leader tells him that their leader, Khaled, is from Marathon.

Aetos travels to Marathon, captures Persian Dens, and recruits new assassins. He assassinates three more Persian leaders, but none of them are Khaled. The Persians become suspicious of Aetos and the Assassins, and Khaled begins the Battle of Marathon to find them. Aetos defends the Persian Dens from the Persians, and Themis assigns him to assault to Persian camp with Leo. The two sneak in, but are discovered and fight off Immortals. More and more come and they are overwhelmed. Khaled comes over and beheads Leo. Khaled taunts Aetos then reveals that he killed his family. He then throws Aetos off a cliff, but Aetos uses the Leap of Faith to survive. He sneaks past Persian patrols and steals a boat to Trachis. During the next few years he cleans Athens, Marathon, and Trachis of Persians, and assassinates a general. A general tells Aetos that the Persians plan to attack Greece, and Khaled is a general in the assault.

Aetos warns Leonidas, and he leads 300 Spartans out, beginning the Battle of Thermopylae. Aetos beats off several Persians, but noticies a pathway. He goes down it, beating Persians as he goes. He comes to a Persian flank, and see Khaled. He walks toward him, fights past several Immortals, and begins to fight him. Aetos eventually defeats him. Khaled tells him that there he has no chance of winning, as The Jewel, a Piece of Eden, will subdue the Greeks. Khaled says the Jewel is in Athens. Aetos narrowly escapes as the battle turns against the Spartans.

Travelling to Athens