Kirito and Asuna may be Sword Art Online's central duo, but they're separated for the vast bulk of theAlicizationarc. With Kirito in the new VR realm Underworld and Asuna trying to rails him down in the existent world, the couple had their ain separate adventures. Simply due to a climactic twist, thepartners got plenty of time to catch up – 200 years, in fact.

Near the stop of Sword Art Online : War of Underworld, Kirito and Asuna chose to stay in Underworld to assistance ensure Alice's escape to the real world. That decision subjected them to 200 years spent in the VR realm as they were caught in Underworld'south reboot, during which the Fluctlight's engineering greatly accelerated time. When Kirito and Asuna finally return, they make up one's mind to erase their memories of that time. Allow's explore why they make this choice and what happened during those two centuries.

Why Asuna Decides to Bring together Kirito For 200 Years

Kirito holding Asuna

To explain the time skip more fully, Fluctlight dispatch makes time laissez passer over 1000x faster in Underworld than the existent world. Trapped in Underworld for multiple years during the Alicization arc, Kirito was isolated from everyone he knew. That's why information technology was especially heartbreaking to see him have a sentence of another 200 years solitary in Underworld during the finale.

In an human action of true love and devotion, Asuna of a sudden appears before Kirito, willing to stay behind and feel the centuries together. She assures him that side by side, they could even take on a thou years together. As they reunite, they besides hope not to forget Alice or their many friends on the outside, but it's unknown how thoroughly they're able to retain such memories. Kirito does address Alice when he wakes, informing her that her sister Selka has entered Deep Freeze to expect for Alice.

What Happened During Their Underworld Lifetime

The 200 years Kirito and Asuna spent in Underworld is glossed over, with Sword Art Online showing them waking up in the existent world shortly later. A mere slideshow depicting mail service-state of war negotiations and parades gives fans a hint about what happened, simply those events are otherwise largely veiled, hopefully to be explored in a subsequently chapter. However, at that place is another aspect of their opaque feel conveyed through dialogue: Kirito and Asuna became royalty.

This is get-go revealed when Kirito refers to Asuna as "her highness" when they wake in the real world. When Rath developer Takeru Higa makes a copy of the 200-year-old Kirito Fluctlight, he questions him further nearly their experience. Kirito confirms Asuna was Queen and that they discussed the necessity of a memory-wipe and the possibility of their Underworld experiences beingness copied. In a higher place all, 200-year-quondam Kirito vows to fight for Underworld's rights so the real globe volition keep information technology alive.

Kirito and Asuna were known every bit Star Rex and Star Queen of Underworld, ruling the land for their 200 years spent at that place. The details of their reign are unclear, simply they did proclaim they intended to help out the "new world" that Underworld became subsequently the state of war. Their devotion to Underworld and knowledge from the real world likely fabricated them passionate leaders, simply could their political interest truly withstand 200 years?

Time Takes Its Price on Kirito & Asuna

Rath easily erased 200 years' worth of Underworld memories per their request, only why was information technology necessary? While the mystery is meant to leave the audition wondering, there's plenty of audio conjecture to explain why Kirito and Asuna wanted to leave their Underworld memories backside.

Upon reawakening in the real world, Kirito says in a jaded voice that he and "her highness" are "done there" and that they desire their memories wiped. This Kirito sounds drastically dissimilar than the one from before, with the weight of two lifetimes aging his tone and way of speech. From this alone, it'southward clear that living through 200 years significantly drained them psychologically and emotionally.

The lifestyle of a ruler isn't exactly relaxing either – it'south probable Kirito and Asuna went through many hard times equally Male monarch and Queen with new challenges arising in Underworld over the course of ii centuries. Information technology'due south entirely understandable that one might want to forget such testing times.

Moreover, going back to their normal life with 200 years of memories riding on the dorsum of their minds seems nearly impossible. If they kept their Underworld memories, how could Kirito and Asuna possibly recall all their adventures with their many friends throughout Sword Fine art Online? While the 2 seem rather choked up nigh sacrificing the about uplifting moments, they find comfort knowing that "deep down inside the memories are always there."

Human Minds Have Express Memory Storage

Fifty-fifty if Kirito and Asuna had desired to hold on to their memories from their stay in Underworld, it'southward possible they simply couldn't. A pop rationale for their retentivity erasure is that afterward ii centuries, they'd reached retentivity storage capacity. In Sword Art Online, in that location's a limit to the data storage and processing of a human heed.

This concept is get-go shown in Sword Art Online: Alicization when Quinella, likewise known as Administrator, approached 150 years old. From losing consciousness to forgetting Sacred Art commands, the years of built-upwards memories actually started to inhibit her ability to process her existence. Quinella establish a way around it by removing old memories and backing them up via Cardinal, but her human being memory limit remained. This capacity may actually reflect that of someone from the real world besides.

Afterward 200 years, Kirito and Asuna have clearly filled their information storage, meaning they'd have to outset choosing which memories to erase or face up sure functional drawbacks. Thus, their decision to bit those memories and get-go fresh seems like a practical and necessary grade of personal maintenance. Luckily, Takeru Higa's re-create of Kirito's Fluctlight seems to have retained all these memories and stored them separately. Fans curious about what really happened may still go a chance to swoop into the many years Kirito and Asuna spent in Underworld in afterwards Sword Art Online chapters.

Proceed READING: Sword Art Online: Was Klein Really Kirito's Beginning Harem Member?

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