Sea of Flowers, Adored Only by Death

Patch: 3.2 · Chapter: Through the Petals in the Land of Repose · Side Mission 07a (optional branch, branches from Mission 07) Previous: Ferryman, Ferry Me Across the Stream of Souls · Next: Citizen, Listen to Those Roaring Tides

Official summary

The mission infobox provides no |summary= text. The in-game mission description that frames the challenge reads:

Just as the legends say... The nether realm is truly a sea of flowers. Everyone knows of the Hand of Shadow, but few know of Thanatos's other hand — And now, you have finally met each other. Proceed with Thanatos, and behold the sea of flowers that she watches over.

Synopsis

This is a short, self-contained "challenge" sub-mission that branches off the parent mission Ferryman, Ferry Me Across the Stream of Souls. It is played entirely as Castorice (the game hands her over as a temporary Story character), walking through the depths of the nether realm alongside the being who watches over it. There is no combat of consequence and no Trailblazer dialogue on-screen — the Trailblazer is present only as the party's designated Coreflame-bearer, referenced but silent. The entire mission is one long conversation, and it resolves the mystery of Castorice's origin, the nature of the Death Titan, and why Amphoreus's cycle of life and death has been broken.

The sea of flowers

The sequence opens on a black screen with a siren's lament — Thanatos's song, warning a listener adrift in a "little dinghy" to turn back to the homeland they know, for the ocean she crosses "has never been sailed by anyone." A voice remarks that, after everything, the listener "still ended up back here."

Castorice arrives at the antilas-blooming heart of the nether realm and confirms the legend: the realm of the dead truly is an endless sea of flowers. The keeper recognizes the fields as those "we tended to back then," and Castorice — who has spent the whole Flame-Chase questing after her missing "other half" — names her:

Castorice: Is that you... Polyxia?

Castorice admits she has no living memory of "that time," but has seen Polyxia before "during an experiment" (a callback to Anaxa/Cerces's Death-experiment seeded in 3.1). Polyxia tells Castorice to simply call her Thanatos — the Death Titan — since Castorice already knows the name and therefore knows "everything about Thanatos." Castorice states her purpose: she came here "to reforge the order of life and death in Amphoreus." Thanatos, reading Castorice's averted gaze, remarks that her "sister" always looked off into the distance when she didn't want to speak her mind — exactly as Castorice is doing now.

Thanatos tells the story of the last Era Nova

Castorice asks the central question: what did you do, Polyxia? Tell me about the last Era Nova. Thanatos begins "from the beginning," and the mission delivers its major reveal as a memory recounted in the past tense.

A voice from that memory (Polyxia's own, long ago) says it is "time to extract my heart and light the flame of Death," and to use it "to plant the first bud in the prophesied new world." Thanatos then narrates:

• Long ago there were a pair of like-minded twins, chosen by prophecy as successors to the god of Death.
• The price of attaining that divinity was to "take the life of a family member with our own hands." Castorice confirms this trial "was indeed recorded in that memory."
• Polyxia's sister voluntarily gave up her own life so that Polyxia could ascend as the demigod of Death.
• Polyxia could not accept it — "Why did we have to kill each other for a future she'd never see herself? That's not fair." So, while weaving the laws of the new world, she shattered the forbidden boundary between "life" and "death."
• She reshaped her sister's soul and took the form of the great dragon Pollux to carry that soul up the River of Souls and back into the mortal realm.

But fate reasserted itself in a cruel form. Thanatos explains the mechanism of Death itself: aging is a law laid on humankind, created at the same moment as Death. When the living die, their souls meet Thanatos, who judges where each soul goes — left hand raised, the soul is granted death and enters the nether realm to await reincarnation; right hand raised, the soul is rejected and returned to the mortal realm to keep walking the earth. Castorice completes the thought: this is why the "Hand of Shadow" can only lay down judgment and never embrace another being.

Death, Thanatos says, was originally a single pair of hands, but the two were split in twain when they reached the mortal realm, never to touch each other again:

• The half representing life — the undying human who "grants death" — is the burden Polyxia forced upon her sister. "That was the curse I forced upon you," Thanatos tells Castorice.
• The half representing death is Polyxia herself, who shoulders the fate of "defying death" and died the moment she entered the world of the living.

The consequence was catastrophe: with Polyxia dead, the Death Titan no longer existed in the world. The cycle of life and death stopped. Souls were denied their audience with Death and left stranded within an ever-rising river of the dead — the flooding River of Souls that has haunted the whole chapter. Thanatos calls it the bitter irony of her love: "My selfish desire to save your life gave you and the world a fate far worse than death instead."

What remained of Polyxia's reason stayed behind in the nether realm, where she has spent uncounted years tending flowers until they became a sea — "mulling over the subject of life, death, partings, and enduring an endless loneliness."

Two hands, the same destination

Walking on together, Castorice reflects that their lives were "a mirrored image of one another, like a pair of hands," yet arrived at the same destination — different paths, the same pain. Thanatos apologizes: she had hoped Castorice might at least have a good life "in this cycle."

Castorice refuses the guilt. She insists her life was not wasted and that Polyxia did nothing wrong, even having forced the authority of "granting death to humanity" onto a stranger. Though the journey burdened her and once left her lost and upset, she says that without Polyxia's "blessing" she would never have understood the source of her own emotions, her purpose, or the meaning of their shared "existence."

Castorice then articulates the mission's thesis on what the Death Titan is and is not:

Castorice: This sea of flowers blooms on dead land because we sowed it with the seeds of our separation and watered it with our tears of loneliness... Yes, the only thing "Death" is allowed to create are flowers that bloom from blood and tears. Castorice: ...Because the life and death of mortals should never be dictated by another's will.

Thanatos asks whether that means there is no point to Thanatos's existence at all. Castorice answers no: no single being can bear the scales of life and death alone, not even a god. Life and death "weigh equally heavy" — a truth the two of them now both understand.

Thanatos confesses she always sensed they would meet again — "not to embrace one another after a long separation, but to come in search of retribution." She has waited for centuries, watching desperate spirits be turned away by the wasteland, hoping to see Castorice among them and yet dreading it, most of all afraid that Castorice might have forgotten her.

The second trial and Castorice's decision

Castorice answers that she made it back regardless, and delivers the plan that will heal Amphoreus: Thanatos need not shoulder Death's authority alone any longer, because it was always "meant to be held in two hands." She proposes they give their Coreflame to the Trailblazer to carry back to the mortal realm and restore humanity's cycle of life and death. Their duty as Thanatos, she says, "was never about picking out favorite souls. We were only meant to watch over life." She invites Polyxia to "tend the field together and create a warm sea of flowers for all the souls to come."

Thanatos agrees — with "just one last step." She recites the prophecy of Death:

Thanatos: "You shall wither, and through that, the dead will sprout again from the remains, and be reborn with the dead flame"... Thanatos: As foretold by the prophecy, Thanatos' authority is only destined for only one person to wield.

The trial of divinity must be undergone again — and just as the last time, it demands that one twin take the other's life so a single bearer can hold the authority. But this time, Thanatos says, the ones undergoing the trial "are prepared." Where Polyxia once could not bear the sacrifice, she is now resolved: "I won't be afraid, as long as you're here with me." She asks Castorice to complete the trial in this life, grant her the embrace of "Death," and light the spark of "Life" — invoking the image of "a raven butterfly flying swiftly into the nether realm, perching on the twig of death."

Castorice accepts. This time it is Castorice who will bear the whole of Death and remain permanently in the nether realm; the River of Souls will return to the sky over this land and rain souls back across the earth, and the cycle will flow once more. The sea of flowers Polyxia sowed will bloom evermore, bearing every joyous and sorrowful soul to come.

Thanatos makes one last wish — not for herself, but a plea: "Please... don't forget me." Castorice promises, vowing that even if they meet again after another reincarnation, even if they no longer know each other's names, she will still "hold you tightly in my arms, just like what I did when we were born." Thanatos's final words name Castorice "as beautiful as a fleeting butterfly."

Coda

In a closing cutscene, Castorice completes the trial and takes the whole authority of Death into herself:

Castorice: I will bring rest to Death. Castorice: And from now on... stagnant life will once again flow.

The mission then hard-cuts, switching to Anaxa's point of view with a line about knowledge being "a scholar's second sun" — a bridge directly into the next mission, Citizen, Listen to Those Roaring Tides.

Key characters

• Castorice — Revealed to be one of two twins who together constitute the Death Titan; she is the "life" half, the undying human cursed to "grant death." She reunites with her lost other half, reconciles her whole burdened journey as purposeful, and chooses to become the sole bearer of Death's authority — completing the trial by receiving Polyxia's sacrifice and vowing to remain permanently in the nether realm to restore the cycle of life and death. This resolves her long search for her "missing half."
• Polyxia / Thanatos — Castorice's twin sister and the Death Titan. In the last Era Nova she refused to let her sister die for divinity, so she broke the boundary of life and death, reshaped her sister's soul, and carried it back to the mortal realm as the dragon Pollux — dying herself in the act and thereby unmaking the Death Titan and freezing the whole cycle of souls. Her surviving reason has tended the sea of flowers in loneliness for centuries. In this mission she willingly gives up her life so Castorice can bear Death whole, asking only not to be forgotten.
• Trailblazer — Silent and off-screen but named: the party's designated bearer who will carry the Death Coreflame back to the mortal realm to restore humanity's cycle.
• Anaxa — Appears only in the final POV-switch teaser bridging into the next mission.

Lore notes

• The Death Titan is a pair of hands / a pair of twins. "Death" was originally a single Titan comprising two hands — one that grants death (left hand raised → soul enters the nether realm to await reincarnation) and one that returns souls to the living (right hand raised). The two hands were embodied as twin sisters, Polyxia (the "death" half, "defying death") and Castorice (the "life" half, the undying human who "grants death"). Their names echo the Castor–Pollux twin myth; Pollux is the great-dragon form Polyxia took to carry Castorice's soul up the River of Souls.
• Why the cycle of life and death broke (the central chapter mystery, resolved). In the last Era Nova, the trial of Death demanded one twin take the other's life so a single bearer could ascend. Castorice sacrificed herself; Polyxia refused to accept it, shattered the boundary between life and death, and returned Castorice's soul to the mortal realm. Polyxia died on entering the living world, so the Death Titan ceased to exist — halting the cycle, denying souls their judgment, and causing the River of Souls to flood and rise ever higher. This is the root cause of the crisis driving the whole 3.2 chapter.
• "Hand of Shadow" clarified. The epithet refers to Death being able only to judge (lay down a verdict) and never to embrace — because the two hands, once split at the mortal realm, can never touch again. The mission's title and Thanatos's siren-song foreground this "other hand" that few know of.
• The prophecy of Death. Quoted verbatim: "You shall wither, and through that, the dead will sprout again from the remains, and be reborn with the dead flame." Reaffirms that a Titan's authority is "destined for only one person to wield" and that the trial requires taking a family member's life by one's own hand — the price of Death's divinity.
• Thematic thesis on divinity. Castorice's conclusion — "the life and death of mortals should never be dictated by another's will" and "no single being can bear the scales of life and death on their own, not even a god" — reframes Death's proper role as watching over life, not selecting souls. The sea of flowers is Death's only permitted creation: "flowers that bloom from blood and tears."
• Restoration plan. The Death Coreflame is to be given to the Trailblazer to carry back to the mortal realm; Castorice becomes the permanent bearer of Death and remains in the nether realm, from which the River of Souls will "rain down from the sky" and re-scatter souls, restarting the cycle.
• Gameplay/structure. Presented as a challenge sub-mission playable only with Castorice, who is loaned as a Story character; ends by switching to Anaxa's POV to set up the next mission.

Connections

• Resolves open thread (3.1 #13): Castorice's tie to Death/Thanatos and her "missing half," including her death-prophecy "after an embrace... eternal separation" — the "embrace" and the eternal separation from Polyxia are enacted here.
• Resolves open thread (3.0 #12 / carried into 3.1): Castorice's missing "other half" and her relationship to Thanatos — the still-missing Death Titan is now fully identified as her twin Polyxia.
• Resolves open thread (3.2 setup): the identity of Thanatos, the still-missing Death Titan flagged since 3.0, and why "Death arrived suddenly" at the end of 3.1.
• Advances the black-tide / flooding River of Souls crisis: provides the in-world cause of the ever-rising river of the dead central to Ferryman, Ferry Me Across the Stream of Souls and the wider chapter.
• References the 3.1 "experiment": Castorice recalls seeing Polyxia "during an experiment," tying to Anaxa/Cerces's planned Death-experiment (3.1 open thread #20). [?] The precise mechanics and timing of that experiment relative to this reunion are not spelled out here.
• [?] Whether Castorice, now permanently bound to the nether realm as the sole bearer of Death, can still travel or act among the living — and what this means for the Trailblazer carrying the Coreflame — is left for later missions.
• [?] The status of the dragon Pollux after Polyxia's death in this trial (whether the form persists, dissolves, or transfers) is not clarified.

Sources

• Sea of Flowers, Adored Only by Death — HSR Wiki

Hindsight (full arc)

• Reread — Castorice's ascension as sole demigod of Death holds through the arc; in 3.7 she consecrates Equilibrium (Hand of Shadow) among the thirteen authorities and returns, as a walking memory, for the final Flame-Chase.
• Reread — "no single being can bear the scales of life and death alone." The twin structure is one of the Scepter's extrapolated tragedies, and the prophecy that "one must die" is Cyrene's authored design (3.4/3.7), not a fixed cosmic law.
• [?] resolved — whether Castorice can still act among the living: she remains in the nether realm but is re-gathered as a demigod-memory for the final battle (3.7).
• [?] resolved — Pollux's status after the trial: reforged into the Netherwing and laid to rest (m07); Castorice bears the whole of Death alone thereafter.