NieR Chronicles 4 — Key Fragments and the Enemy's Voices
Chapters in this story
- Key Fragments: When the Enemy's Voices Begin to Be Heard
- 1. Returning to the Lost Shrine
- 2. Gideon's Anger at the Junk Heap
- 3. The Memories Kept by the Forest of Myth
- 4. The Aerie and the Absence Left by Emil's Power
- 5. The People Missing from Seafront
- 6. The King's Wedding and Fyra's Death
- 7. When Five Fragments Open the Door
- Sources and Version Notes
Key Fragments: When the Enemy's Voices Begin to Be Heard
Spoiler notice: This installment covers the search for the Shadowlord's Castle key in the adult section of Replicant and the shipwreck incident added in the 2021 version. It explains both the events the party sees on the first playthrough and the enemies' circumstances revealed to the player from Route B onward, without pretending the protagonist heard all that information. After the first fragment, there is some choice in the order of regional visits.
1. Returning to the Lost Shrine
After Kainé returns, the protagonist's party seeks a way to reach the Shadowlord who took Yonah. Simply knowing his direction is not enough. The route through the Lost Shrine is sealed, and opening the door requires scattered key fragments. The shrine where he first met Weiss while searching for his sister now stands before the entrance to the place where she is held. They revisit the same space, but the protagonist's body and his companions' circumstances have changed in five years.
Gretel, one of the two guardians they fought in boyhood, remains there. For the protagonist, a powerful enemy encountered before is blocking the way again. From another perspective, however, Gretel's life includes the time after losing a companion. Small Shades gather around the solitary guardian, forming a relationship in which Gretel cares for them. They are not merely a combat arrangement that materializes when the protagonist enters. Their life among enemies has continued while he was absent.
In the renewed battle, the party defeats Gretel and the small Shades. From Route B onward, the player learns more about what they fear and how they think of one another. But the voices the player hears do not simultaneously become meaningful speech for the protagonist. He continues fighting on the understanding that he faces Shades. Kainé, who can understand them, occupies a different position even within the party. Fighting on the same battlefield does not mean everyone knows the same things.
Gretel's weapon pierces Kainé's chest, and when she loses consciousness, Tyrann attempts to take over her body. Reversing her petrification did not remove the Shade inside her. Immediately after defeating an enemy, the protagonist and Emil must fight another threat emerging from their companion's body. They must subdue Kainé with Tyrann in control and recover her consciousness before traveling together again. The victory the protagonist needs is not one that destroys her body along with the enemy, but one that brings his companion back within it.
Here the party obtains the first key fragment. Linked to the Stone Guardian, it is part of the code that releases the seal toward the castle. The remaining fragments connect to powerful Shades and memories elsewhere. The protagonist must now revisit people he helped and left behind in childhood. They do not await him in unchanged situations that can be resolved by repeating old errands. In each region, someone has grown, lost family, or spent time waiting for an enemy.
2. Gideon's Anger at the Junk Heap
Returning to the Junk Heap, they find the younger brother Gideon has grown, but Jakob is gone. The younger now keeps the place where the elder once worked with him nearby. During the five years the protagonist spent unable to recover Kainé, something irreversible also happened to these brothers. Gideon remembers his brother's death in connection with a robot and wants that enemy destroyed. The loss of family, familiar to the protagonist pursuing the Shadowlord who took Yonah, appears here as a request for revenge against a machine.
Both brothers entered the place where Jakob died. A structure Gideon disturbed caused the ceiling to collapse, and Jakob was crushed while trying to save him. The presence of a robot nearby and the actual cause of the collapse are not the same explanation. An event too difficult for the young brother to bear remains as a memory that blames the robot. The protagonist first receives Gideon's account and his demand to find the enemy, then enters the facility.
The robot P-33, whom the party approaches as its target, also has someone living with it: a young Shade named Kalil. Pursued by Replicants, Kalil's mother sends her child to safety, leaving him behind without her. The robot was not originally made to adopt a Shade, but meeting the crying child leads it to form a protective relationship. Kalil gives the robot that protects him an affectionate name. Route B shows how this relationship formed before the battle.
The Junk Heap thus holds the overlapping family losses of two different children. Gideon has lost his brother and wants the robot destroyed. Kalil has lost his mother and receives the robot's protection. Both relationships already exist when the protagonist arrives to fulfill the request. Seeing a small Shade clinging to the enemy's body cannot by itself explain the life they share. The protagonist must fend off attacks and defeat a powerful machine, while the player also sees a child trying not to lose his protector.
The battle with P-33 proceeds through evading the enormous machine's attacks and striking back. Kalil is not a client awaiting the outcome somewhere safe and separate from the robot; he shares the danger with the being protecting him. When the fight ends, neither robot nor young Shade can survive to continue their relationship. The party obtains the key fragment it needs, but the place where it appears is also where a bond between guardian and child is severed.
Gideon unleashes his anger on the destroyed robot. Breaking the enemy does not resurrect his brother or explain to him P-33's attempts to protect Kalil. When the protagonist leaves the Junk Heap, the fragment associated with the Law of Robotics remains in hand, but Gideon's task of accepting his past remains separate. The mother's absence seen on their first visit has been followed by the elder brother's death, while another child belonged to the target of revenge in that same place.
Progress here also includes waiting for work to be done and coming back. After obtaining the alloy Gideon needs, the protagonist can leave the weapon work with him and go elsewhere, then check the letter delivered home and return to continue the remaining events. It is not a single errand in which P-33 is defeated and the key awarded on the first visit. While Kalil and the robot's relationship continues, the protagonist also searches for other fragments before returning.
3. The Memories Kept by the Forest of Myth
In the Forest of Myth, the castle key does not simply sit inside a large enemy. The protagonist encounters an ancient tree and the memories accumulated within it. The forest, where he read words and stories through the villagers' Deathdreams as a boy, again demands something other than moving his body to defeat enemies. The tree is both a repository of the past and a being whose memories can be damaged and disappear.
He follows stories and memories associated with the tree and must answer questions. Vaguely having heard an old story will not open the next door. He needs to grasp what happened in the presented memories and their particular details. Reading and remembering become actions the player actually needs for progression. Through that process, the party obtains the fragment connected to the Memory Tree.
One memory holds a girl's eye color; another holds the number of people lost in battle. The questions demand those specific details from what was read. The colors and numbers can vary between playthroughs, so memorizing someone else's answer may not match the memory just encountered. After the last question, the tree gives them the fragment. This gate is passed not by destroying records with powerful attacks, but by briefly attending to stories that are disappearing and remembering them.
The tree does not end as a background visited once for an item and then forgotten. Its nature as a place dealing with the world's records and people's memories connects with the setting of Ending E later. The protagonist currently seeking the fragment, however, does not know the future that will befall him. He confronts the tree's memories because he needs a key to reach his sister, then advances through them to the next stage.
The fragments obtained here and at the Junk Heap belong to the same code, but they pass into his possession in different ways. In one place, a battle involves children who lost family; in another, he must read fading memories. The party collects what it needs for its goal, but the routes toward that goal pass through different lives and records in each region. Those differences do not vanish when every fragment is joined into one key at the castle.
4. The Aerie and the Absence Left by Emil's Power
Returning to the Aerie also means Kainé returns to a place holding her past. Having found the protagonist and her companions has not erased the experience of rejection by its residents. As the party seeks information and clues to the key, it encounters a boundary between the residents and Shades more complicated than initially assumed. A danger emerges within the village that cannot be explained simply as Shades attacking from outside.
Among residents in human form, some are revealed as beings overtaken by Shades, and attacking them brings protests from family members nearby. For the protagonist, eliminating Shades protects people; facing him, however, are people who feel those very attacks have taken their family away. The Shades then gather into a single immense sphere, becoming Wendy. Mixed voices and confusion remain within it. The enemy the party faces is not merely one intruder who walked into the village from outside.
The crisis spreads through the whole space of clustered houses. The party fights Shades and then the huge spherical Wendy. The cliffside settlement, connected by narrow walkways, does not allow residents to scatter easily to safety as attacks spread. Whatever memories Kainé holds there, both the people alive now and the party stand before a powerful foe. The fight takes a form that makes isolating a single enemy from its surroundings and ending the danger difficult.
They use magic when Wendy's eye is exposed, but the enemy does not remain still to receive it. As the fight continues, Emil blocks a powerful beam at the front while the protagonist must circle along another bridge to aim at the rear eye. Their divided roles open the next opportunity to attack. When Emil finally draws out still greater strength, its effect does not stop at precisely erasing the enemy before them.
Emil uses his newly acquired enormous power. It enabled him to reverse Kainé's petrification, but it is not an ability that always preserves every surrounding thing while eliminating only a chosen target. Immense destruction occurs at the battle's end, and the Aerie collapses. Defeating the Shades and removing the obstruction, and losing the village itself, are results of the same event. The party obtains the fragment associated with Sacrifice.
For Emil, this next experience cannot be explained solely through the achievement of gaining strength and saving a companion. Previously he had to cover his eyes for fear of turning those he saw to stone. Now he has power to help his friends, but must bear the fact that it has caused irreversible destruction. The protagonist's and the party's relationship with him matters here too. They are not people who simply demand that Emil find the next item as though nothing happened once the destruction ends.
For Kainé, the disappearance of her hometown cannot be reduced to relief that the people who rejected her are gone. It wounded her, but it also held the past she shared with her grandmother. The party leaves when what remains and what was lost can no longer be individually restored. They have another fragment for opening the door to Yonah, but handing it back would not restore the village or the relationships within it.
5. The People Missing from Seafront
The 2021 ver.1.22474487139... adds the Seafront shipwreck incident to the adult journey. It should not be treated as a main-story incident present in the same form in the 2010 game. Popola asks the protagonist to find the man with the red bag. His failure to return begins as concern among his family and those around him, and the party asks the people of Seafront about his whereabouts before investigating the ship on the beach.
Inside the ship, human life is not continuing normally. While searching for traces of the missing, the party encounters a young girl, and further exploration reveals that the disappearance is not simply an adult's departure to work elsewhere. The red bag, once an everyday possession by which someone could be recognized, becomes a trace through which they discover what happened to a missing person. The homecoming his wife awaited differs from what the ship reveals.
Partially eaten bodies are piled in the ship's lower area. Among them are traces of the man with the red bag, showing that he is not a missing person living somewhere else. More victims may be lost even as the party searches. Kainé is wary of the strength hidden inside the little girl's appearance. Unlike a large enemy assembled from many Shades, Louise possesses abnormally great power despite being a single consciousness. They cannot accept her as a harmless child merely because her body is small.
The girl Louise has a relationship with the postman. Meeting her aboard the ship, he gives her a name, teaches her singing and writing, and grows close to her. She is not just a nameless monster that appears when the party begins a fight inside. She wants to connect with someone outside, and tries to approach the postman through what she has learned from him. Scenes added from Route B onward show more of how that relationship developed.
Yet Louise's admiration for humans and desire for a relationship cannot erase what happened to the missing people. She does not remain only a girl in human form, but changes into an enormous Shade. The party must face a massive body extending through the ship and onto the beach. An investigation begun to find people aboard becomes a battle against a being capable of threatening all of Seafront.
The party and the postman occupy different positions toward Louise during the battle. The party has already seen her danger through the disappearances and attacks. For the postman, however, there is the memory of the girl he named and taught. His arrival does not mean the same thing as reinforcements adding a little strength to defeat a Shade. It means confronting the connection between the huge being now before him and the girl he knew.
In the first playthrough and Route B, when the party struggles to stop an immense attack, it exploits the bond between Louise and the postman as an opening. Kainé threatens and restrains him, making Louise halt her attack, but he is left with shock and fear at the girl being revealed as a monster. Rejection and being called a monster by the person whose affection she wanted also inflict a devastating wound on Louise. The party survives and defeats her. The letter Kainé finds afterward is torn up without reaching him. The singing and writing the girl learned cannot lead to a life together.
In the later progression toward C and D, a different development becomes possible when the final immense attack is stopped. The earlier situation of using the postman and its outcome are not simply repeated; instead, Kainé delivers the letter Louise left for him. This is not an ending in which Louise survives, returns to human form, and lives with him. What changes is whether a trace of the feelings she wished to convey can remain with their recipient. The version in which the letter is torn and the version in which it is delivered must not be combined into consecutive events in a single incident.
Later progression also adds the fact that Louise has no corresponding Replicant, and a conversation in which Devola and Popola consider her as another means of confronting the Shadowlord. These are not things the protagonist fully understands when investigating the disappearances. They overlay the later knowledge that a being who wished to be accepted as a girl was assessed in others' plans as a weapon and a contingency. The shipwreck is not a battle that awards a separate key fragment, but a tragedy added within the adult journey of collecting them.
6. The King's Wedding and Fyra's Death
In Facade, the prince saved in boyhood has become king. News that he will marry Fyra reaches the party. Their connection from bringing the prince back from the temple leads to an occasion for celebration, and people prepare an event they can rejoice in together despite difficult times. Fyra has not remained fixed in time as the girl who showed them the way, either. She stands ready to marry the city's king and move into her future life.
Beyond the people's festival lie the wolves' circumstances. Human settlement and the wolves' territory have long conflicted, and wolves are hunted even in the period before the wedding. Roc, the pack's leader, is not presented only as an enemy attacking humans without ever having formed any other bond. The past and decisions revealed from another perspective include hope of living alongside humans, and the process by which that hope collapses before his companions' deaths.
Roc's old memories hold the elderly man who raised him. His memory of humans is not solely violence; his is also the soul of an animal that received care. He lived for a long time after parting from the man, trying not to abandon the possibility of living without conflict with those in human form. For a leader who urged restraint on his pack to choose retaliation, another collapse must therefore occur. Seeing the young companions he was meant to protect dead, he abandons the expectation of coexistence he had long maintained.
After seeing the place where the wolves died, Roc moves to retaliate against humans. The pack attacks the city on the day of the king's wedding, and Fyra is fatally wounded. The beginning of a new life anticipated by the king and citizens is cut short there. For the protagonist, a day spent celebrating the marriage of two longstanding acquaintances becomes another loss of someone he knows. The king loses the Fyra who was to become his queen and chooses revenge against the wolves.
The party goes with the king to confront the pack. The assistance and weapons he provides also connect to their relationship on the later path to the castle. The immediate purpose of this battle, however, is not Yonah's illness but destroying the enemy who killed Fyra. Traveling from place to place to save his sister, the protagonist now stands in a fight for the person his friend lost. His ties to the city since boyhood help explain why it is so hard for him to turn away.
At the battle's end, the wolves and Roc fall, and the king faces its conclusion. The fragment associated with Loyal Cerberus passes to the party. Before reaching that result, the wolves sought to avenge their hunted pack, while the king sought to avenge Fyra. Seen only from one side's present, the other's attack can appear to have begun without reason. Route B adds to the same incident what both sides lost and whom they came to call an enemy.
Before the final battle, Roc gives the remaining wolves a chance to flee, but the pack stays together. The protagonist and the king's group enter the den and fight, and the king delivers Roc's final blow. What returns to the dying Roc is the memory of the old man who first cared for him. The king's conclusion that the enemy who killed Fyra has fallen stands at the end of the same battle as the final memory of an animal that dies having lost a place to protect. Where one side's revenge ends, the other's loss is completed too.
For the king, eliminating the wolves does not recover a married life with Fyra. Surviving, he remembers her, and his connection with the protagonist also remains. His later decision to help is not the arrival of anonymous reinforcements suddenly appearing at the castle entrance. Behind it are the bond of his childhood rescue, the friendship of inviting the protagonist to his wedding, and the time they spent fighting together. Stories in the regions the protagonist leaves do not stop at the mark indicating a key has been obtained.
7. When Five Fragments Open the Door
Fragments collected at the Lost Shrine, Junk Heap, Forest of Myth, Aerie, and Facade establish the conditions for releasing the seal toward the castle. The protagonist's purpose is still Yonah. In his travels, he has ended some relationships, received help, and passed through the changes and destruction his companions must bear. Becoming able to reach the castle does not mean all these events have resolved into a single right answer.
The Shades' voices heard by the player from a later perspective make already completed battles visible again with new information. Kalil calling for family, Gretel living with small Shades, Roc seeking to protect his pack, and Louise trying to convey her feelings to the postman emerge as beings with different relationships beneath the shared name of Shade. Even with this additional knowledge, the protagonist's sister remains with the Shadowlord, and the people and Shades already dead do not return to life to cancel the earlier fights.
Kainé occupies a particular place in this story. She has the ability to understand the Shades' speech, while also having the protagonist and Emil as companions. Her actions cannot be explained simply by lacking one side's information. There remains the question of which side a person who hears those words fights on to protect the relationships to which she can return. As the group heads for the castle, these different understandings occupy the same road.
The key needed to recover Yonah is complete. The protagonist now stands before the door where he will confront who the Shadowlord with a face resembling his own is, and why he took his sister. The conflict throughout the journey between other beings' families and his own will no longer remain merely the history of surrounding characters within that door. His and Yonah's bodies, and the plan to preserve humanity, enter the center of that collision.
Sources and Version Notes
This account distinguishes the game's events from information added from Route B onward. After the first Stone Guardian fragment, players have some choice in the acquisition order of the other four regional fragments. Louise and the shipwreck are additions in the 2021 version, not a separate sixth key. The different Seafront battle outcomes belong to their respective playthroughs. This is TroubleMaker's story commentary with AI-assisted editing, without reproducing dialogue or lyrics. Checked on October 18, 2026, Bangkok time.
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