The Story of Your World

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**The Story of Your World** is the last chapter of the main story. This chapter can only be reached if the player refuses to choose to sacrifice either the Cains or the Abels.

## Summary

With Geist's failed Paradise Project now out of the way, the group make it their goal to end Quietus to save both the Cains and the Abels before the Cains awaken from their hibernation. Having no clues on how to do that, they decide to rest a while, as they still have time before the Cains awaken and before Quietus comes.

Sometime later, Dianthus informs the Protagonist of a discovery in the Castle of Illusion. They meet up with their friends in the castle where Nivalis reveals that the door to Geist's room has now been unlocked as it wasn't accessible before. Inside, they meet Geist-Mk II, a small robot built by Geist's original persona. He explains that he was tasked with Geist's original plan: stopping Quietus. He tells them more about Quietus, the Seaslights, Lost Gaia, and Geist's motive. The robot also further reveals that Geist abandoned his original goal in favor of the Paradise Project, which he knew that his good persona will carry out, and that Aria's corruptive persona, the Harbinger, was the key needed to complete it. He also believed that the completion of the Paradise Project will most likely happen in the future, but because the Protagonist freed Aria from her alternate self and refused to accept the project's completion, Geist's theory was proven false. The rejection of Geist's project is what unlocked the door. Geist-Mk II gives them hints on where the source of Quietus is along with an event called the Planetary Nightmare and instructs the Protagonist to maintain their humanity no matter what, also revealing that Geist's former persona suspected that his Paradise Project would be rejected and wagered for this future to happen.

The group then form a plan to energize the Seaslights so they can reach the source of Quietus, but also knowing that they will cause Quietus early, they go to ask Geist for the usage of the Heaven's Shell, a shield used for protecting humanity from Quietus if the Paradise Project would've been successful, to protect the people of ReGaia. He agrees to help, but the Heaven's Shell will need a lot of power to cover the entire continent. Deciding to use the fallen Proto-Seaslight as a power source, the plan is then put in motion as Dianthus announces to the other Omen that they will finally be able to save all of humanity with the Protagonist's help after they refused the Paradise Project, allowing them to enter the location where the cause of Quietus is without harming ReGaia's inhabitants.

They find themselves within the core of Lost Gaia, to which ReGaia appears and guides them through the cavern to "save" a girl. She also further reveals that Lost Gaia is a giant Monolite and that it's core was modified into a supercomputer programed to create a paradise for humanity by a group called Animus, but it was also the cause of the Red Queen (Lost Gaia's version of Quietus). Finding the girl asleep in some type of machine, ReGaia explains that the girl is an A.I. named Gaia, who is the cause of Quietus (and was also the one responsible for manipulating Geist and Aria earlier). She was programed to create a paradise on Lost Gaia, but the project went horribly wrong when she ended up deciding to grant humanity's wish of extinction, which is why she's causing Quietus. ReGaia also reveals that she is Gaia's counterpart, created by humanity's hope, and that she is programed to protect humanity. She was keeping Gaia at bay by making Quietus occur in between seasons, but is slowly losing this ability. After engaging the security system protecting Gaia, the latter awakens and flees to ReGaia's core planning to wipe out humanity by using the Proto to merge with the Seaslights. ReGaia gives them a Gaia Seed to help them reach Gaia.

They then enter a black hole-like gateway that takes them into ReGaia's core where they find Gaia in her monstrous form: The Dream of Man's End. After defeating the monster, Gaia is angered by their interference and unleashes a power blast of red energy that knocks out the Protagonist. Finding themselves within their consciousness again, they confront Gaia in her previous form, who explains humanity's misdeeds. When the Protagonist is unwilling to give up, Gaia points out that others don't have the same strong determination as them and that they can't help everyone despite their persistence because they don't understand them very well. This makes the Protagonist start to lose hope as Gaia prepares to finish them off, but Asyl appears and claims that the Protagonist isn't alone in this. Emo, Heine, Dianthus, Istina, Shrika, and Brakka all appear from behind them and remind them of how important they were to them. The Protagonist, too depressed to listen, remains silent, but Aria appears and reminds them of how they helped her when she was kidnapped by Geist and when she became the Harbinger and encourages them to not give up; this was enough to get the Protagonist's attention. Upon taking Aria's hand, they are brought back to reality, ready to face Gaia again. As they destroy each of the Monolites that she summons, she explains a bit more on humanity's past.

After being defeated, she forewarns them that the humanity will still cause chaos, but ReGaia appears and reassures her that they will still continue to live despite their misdeeds and that some humans will fight for what is right. Convinced to spare humanity, Gaia has them promise to keep fighting for the right cause before dissolving into Gaia Dust. ReGaia thanks them for ending Quietus and asks the Protagonist to come to the Orbital Cradle alone. There, ReGaia gives them a choice on whether they want to learn the truth or not, stating it may be impossible for the Protagonist to feel like they can return to living how they were after learning the truth.

If the Protagonist still wishes to know the truth, she then shows them a pod that has their name on it. It turns out the Protagonist is a Cain whose consciousness is linked to a decreased Abel's body by ReGaia, explaining their memory loss. She tasked them to help stop Quietus and save all of humanity and did not reveal this earlier because she did not want them to commit the same misdeeds as Aria when she became the Harbinger. She thanks them for saving both the Cains and the Abels, and lets them keep living their lives on ReGaia while she promises to watch over them.

If the Protagonist answers that they do not want to hear the truth, she states that she'll have to respect their decision before thanking them, skipping the entire explanation.

The chapter then ends, leading to the good ending.