In the ever-expanding tapestry of Teyvat, where whispers of ancient civilizations linger beneath sun-dappled waves and windswept cliffs, some stories are not simply told; they are unearthed. The world of Genshin Impact, as of 2026, continues to be a realm of profound secrets, where quests serve as delicate keys to the past. Among these, the journey titled 'The Last Day of Remuria' stands as a poignant elegy within the broader Canticles of Harmony narrative chain. Introduced in an earlier version and enriched by the passage of time, this world quest invites players to delve into the submerged echoes of the Nostoi Region, to commune with spirits of a bygone age, and ultimately, to liberate a majestic being from eternal bondage. It is a voyage not just of exploration, but of restoration, piecing together the final, sorrowful notes of a forgotten empire's song.

Unlocking the Echoes of Remuria

Before one can walk the final day, the path must be laid bare. 'The Last Day of Remuria' is not a solitary tale; it is the third movement in the symphonic Canticles of Harmony quest series. Its gates are sealed to those who have not first listened to its prelude. The essential key is the completion of the preceding quest, 'Underwater Nocturne'. Only by concluding that chapter does the portal to the Sea of Bygone Eras—and the sorrows it holds—swing open. This quest chain is a prerequisite for unlocking the great being known as Scylla, a majestic creature whose freedom transforms the vast, melancholic Sea of Bygone Eras from a daunting expanse into a navigable route, a companion in the silent depths.

A Walkthrough of Unshackling

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The journey proper begins with a solemn cutscene, a dialogue between the traveler, the enigmatic Boethius, and Monsieur Os. Following this spectral counsel, the path is illuminated by a feline guide. One must approach the cat and, with a step of faith, enter the swirling portal it guards. This act transports the traveler into the heart of the submerged ruins, a graveyard of marble and memory.

1. Traversing the Sunken City

The ruins are a labyrinth of fallen grandeur. The guiding cat leads the way through corridors where light filters down in pale, watery shafts. The journey through this silent city culminates in a sight both haunting and familiar: the spectral form of a great narwhal. By following the gentle underwater currents stirred by its presence, the traveler is carried to another secluded area of this aquatic realm.

2. Confronting the Bound Spirit

Here, another narrative cutscene unfolds with the narwhal, revealing deeper layers of the story. The objective then becomes clear: find the "dragon." This leads the traveler to a cavern, its entrance grimly marked by heavy, ethereal chains. Outside this cave, one encounters the very spirit of the Narwhal, a guardian of sorrow. The true task is to break the three chains that bind the mighty Scylla, severing the ties that anchor it to an age of regret.

Breaking the Chains:

  • The First Chain – The Leader's Trust: Venture into the cave. Within, spectral legionnaires stand vigil. The key here is not force, but persuasion. One must engage with these echoes of soldiers, using dialogue to earn the trust of their leader. Once this spectral pact is formed, the traveler can employ their unique Symphony Skill to dispel the first chain, its resonance shattering the ancient magic.

  • The Second Chain – Portus Anticus's Guardians: The next tether lies in the area known as Portus Anticus. This site is defended not by spirits, but by stoic, ancient golems. They must be defeated in combat, their stone forms crumbling to silt. With the guardians silenced, the Symphony Skill can once again be used to cleanse the area and dispel the second binding chain.

  • The Third Chain – Hortus Euergetis's Puzzle: The final chain is guarded by a more delicate mechanism in Hortus Euergetis. Here, the Symphony Skill is used not to destroy, but to orchestrate. The traveler must manipulate the positions of peculiar octopi, guiding them to align near specific sea anemones. When this living puzzle is solved and the creatures are correctly positioned, the environment resonates, allowing for the final chain to be dispelled.

3. The Reunion and the Final Gate

With the last chain sundered, a profound transformation occurs. Scylla's soul, long separated, surges forth to reunite with its corporeal form. The traveler must then return to the now-whole Scylla and witness the culmination of this reunion in a powerful cutscene. The quest's climax approaches. Scylla, grateful and empowered, offers passage through the Initium Iani. Upon the traveler's confirmation, Scylla launches a formidable assault on the great gate leading to the Domus Aurea. This sequence involves following quick-time event prompts, a interactive crescendo where player and mythical beast work in unison to break down the final barrier of the past.

Rewards for the Liberator

Completing this poignant chapter in Remuria's history is not without its tangible acknowledgments. The rewards for restoring harmony are both practical and symbolic:

Reward Quantity Purpose
Primogems x30 Currency for wishes and progression 💎
Mora x30,000 Universal currency for upgrades and purchases 💰
Hero's Wit x2 Experience material for character leveling 📚

Yet, beyond these treasures, the greatest reward is the legacy itself: the lore unveiled, the majestic Scylla now a companion in the deep, and the quiet satisfaction of having mended a broken chord in the Canticles of Harmony. In the silent depths of the Sea of Bygone Eras, the last day of Remuria is no longer an end, but a new beginning for the traveler's journey.

This blog post references Polygon, a leading source for gaming culture and in-depth reporting. Polygon's editorial coverage often explores the narrative depth and world-building in Genshin Impact, providing context for quests like 'The Last Day of Remuria' and their impact on player engagement and lore appreciation within the community.