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Requiem of the Echoing Depths is the fourth act in Chapter II of the Archon Quests. It involves the Traveler and Dainsleif in The Chasm.

Players need to complete The Heavenly Stone's Debris in The Chasm Delvers World Quest series to prevent being faced with any roadblocks, as the first quest in this act requires access to the Nameless Ruins.


  1. In the Depths, an Unexpected Reunion
  2. The Grave of the Guarded
  3. Memories of Inteyvat
  4. The Black Serpent Knights' Glory


In the Depths, an Unexpected Reunion

Arriving at Liyue's Adventurers' Guild branch, Paimon and the Traveler greet Katheryne. Katheryne is in a cheery mood and tells the Traveler that they will have an unexpected reunion, later explaining to Paimon that she had just returned from Inazuma's Grand Narukami Shrine. The words remind the Traveler of their sibling, much to Paimon's concern. Paimon then asks Katheryne if she has a commission for them, which she confirms. A man named Yuehui placed a commission regarding The Chasm and she wishes them luck, while also remarking that they're plunging into the abyss.

On the way to the mine, the two are greeted by some Millelith guards who recognize them due to their involvement in the battle against Beisht. They let them pass and they find Yuehei inside. Yuehei explains to them that the Qixing reopened the Chasm and he and his men were the first to get a permit to mine on the outskirts. While one of his miners was on a break, he saw some hilichurls walk straight into the Chasm in a trance and they never returned. As such, his men are concerned about what's going on inside and that it's beginning to hamper mining operations. Paimon suggests considering the offer, but the Traveler takes it right away, as they suspect that the Abyss Order must be involved in some manner.

After unlocking access to the Chasm and unlocking a few mysteries, the Traveler and Paimon discover some underground ruins similarly to the Defiled Statue. Just then, Dainsleif runs in and both groups are surprised as they never expected to run into each other. Dainsleif explains to the two that he was on the trail of another Abyss Herald when it retreated through the portals. He also discovered that the Abyss Order directs where the portal goes. As such, when he ran into the portal during their encounter with their sibling, he ended up in Stormterror's Lair. The Traveler inquires as to his identity, in which he reveals a bit about Khaenri'ah but is reluctant to do so. They then notice a lit brazier nearby and decide to investigate.

The Grave of the Guarded

Upon arriving at the site, they find evidence of hilichurl activity. After Paimon remarks about the evidence, Dainsleif asks them what they were doing in the Chasm. Paimon then tells him that the Traveler was commissioned to investigate hilichurl activity. Dainsleif then remarks that the area appears to lessen the curse and that the hilichurls coming here are expecting to die, as they too also hail from Khaenri'ah and the masks are used to hide their true faces.

Just then, two Black Serpent Knight attacks the trio which they repel. Dainsleif explains that the knights were originally men under his guard, but have since been consumed by the curse and lost all honor. Paimon and the Traveler then spot an another knight which doesn't attack them but leaves when Dainsleif refocuses on it. He wonders if the knight had somehow remembered him despite lacking "it".

Arriving at the entrance to the inverted ruins, Dainsleif dispels a barrier to gain access, stating that the building might have belonged to a civlization older than his. They find some Black Serpent Knights inside and eliminate them, discovering that they were guarding some hilichurls who were aware they were going to die, not being related to the Abyss Order. More Black Serpent Knights then appear, but the knight from before also comes in and orders them to retreat; before Dainsleif could act any further, the special knight had also left. Dainsleif then suspects that the knight must be "Halfdan", a promising young man in the Elite Guard. Dainsleif recalls that during the fall of Khaenri'ah, he had told Halfdan to order the Black Serpents to protect the common folk and believes that despite their curse, they still remember their final orders. Dainsleif then reminds them they need to climb the summit, but the knights should no longer obstruct them.

Once they arrive at the summit, they find a water structure which Dainsleif recognizes as the source of weakening the curse. Halfdan then arrives and urges them to follow him.

Memories of Inteyvat

As they follow Halfdan's path, they come across several Hilichurl settlements on the way. At the last site, Dainsleif asks them to investigate everything. The Traveler finds a flower which Dainsleif recognizes as an Inteyvat, a flower that wilts upon two weeks of blooming but hardens if taken out of Khaenri'ah. The Traveler then recalls a flashback in which they witness their sibling talking to an Abyss Herald about their plan to remove the curse and rebuild Khaenri'ah regardless of how slim the odds were. Dainsleif considers the plan folly due to his stance that the curse is vital despite loathing it and that they should stop the Abyss Order as it would tarnish Halfdan and the other knights' legacy. The Traveler chooses to assist him due to their growing stances on the world.

On the way out of the settlement, a bright light flashes and the Abyss Herald warps in and admits that it had made a mistake in not overseeing where Dainsleif would have gone. It insists that the Abyss Order is doing a service for the hilichurls, but Dainsleif dismisses it as folly. They kill the Herald after a short battle, upon which Dainsleif tells them to hurry back to the temple to destroy the device.

The Black Serpent Knights' Glory

Making their way to the summit, they spot an Abyss Lector trying to attempt the ritual that ends up bringing suffering to the hilichurls, knights and Dainsleif. Dainsleif asks the Traveler to stop the device, but before they could act, Halfdan runs in and covers it with his body, temporarily stopping the device. Dainsleif is impressed by Halfdan's soul as he had expected him to turn to ash on contact. The Traveler then kills the Lector and offers to take the device's power in Halfdan's stead, but Dainsleif tells them that there's several smaller devices powering it and sends them off to destroy them.

After destroying the four devices, they return to the center where they confirm that Halfdan is dead. As Dainsleif walks away, Halfdan's soul appears and the two salute each other. Dainsleif reassures Halfdan that Khaenri'ah still stands and thanks him for his service. After his soul passes on, Dainsleif tells the Traveler that the Abyss Order's operation is still ongoing and that they'll need to pick a side soon, while Paimon suggests he take a short moment of respite as the device had harmed him significantly.


4 Achievements match the category selection:

Achievement Category Description Primogem
When One Gazes Into the Abyss... Wonders of the World Wonders of the World Though you are reunited with Dain, the Abyss is watching... 5
The Beautiful and Damned Wonders of the World Wonders of the World Learn the secret behind the Black Serpent Knights and the hilichurls. 5
The Will to Live and the Depths of Lamentation Wonders of the World Wonders of the World Defeat the Abyss Herald. 5
May Glory Go With You Wonders of the World Wonders of the World Complete "Requiem of the Echoing Depths" 10


Other Languages

Language Official Name Literal Meaning
English Requiem of the Echoing Depths
Huíxiǎng Yuāndǐ de Ānhúnqū
Requiem Echoing at the Bottom of the Abyss
Huíxiǎng Yuāndǐ de Ānhúnqū
Japanese 淵底に響くレクイエム
Entei ni Hibiku Rekuiemu[!]
Requiem Echoing at the Bottom of the Abyss
Korean 심연 속을 울리는 위령곡
Simyeon Sok-eul Ullineun Wiryeonggok
Requiem of the Echoing in the Abyss
Spanish Réquiem desde el abismoRequiem From the Abyss
French Requiem des profondeurs résonnantesRequiem of the Resonant Depths
Russian Реквием гулких глубин
Rekviyem gulkikh glubin
Requiem of the Echoing Depths
Thai บทสวดสงบวิญญาณสะท้อนก้องหุบเหวลึก
Vietnamese Khúc An Hồn Nơi Đáy VựcThe Requiem Song at the Bottom of the Abyss
German Im Abgrund widerhallendes RequiemResounding Requiem in the Abyss
Indonesian Lagu Yang Bergema di Dasar JurangEchoing Song at the Bottom of the Abyss
Portuguese Réquiem para os Ecos Profundos

Change History

Released in Version 2.6