Sea of Bygone Eras
Last updated 2026-06-03
Sea of Bygone Eras is an area located in Fontaine. It has its own map tab and exploration progress separate from the main map of Teyvat. It is unlocked after completing the World Quest Underwater Nocturne in Series Canticles of Harmony: First Movement - In the Hall of the Sea King.
Subareas
There are 7 subareas in Sea of Bygone Eras:
| Name | Description |
|---|---|
| Alta Semita | The Alta Semita is an aqueduct that once carried Ichor from the Domus Aurea out into "the great lake in the far north."[1] It visually resembles a giant harp. |
| Caesareum Palace | Caesareum Palace used to be a training area for the legions of Remuria. In addition, it was used as a place to store Scylla’s chains. |
| Clivus Capitolinus | Clivus Capitolinus refers to the hill that holds the heart of Capitolium: the Domus Aurea. The term also encompasses the cavern beneath the hill, which contains the Local Legend |
| Collegium Phonascorum | Collegium Phonascorum was once the educational center of Remuria, where the Harmosts and music lecturers taught Remurians about Phobos' Symphony.[2] |
| Hortus Euergetis | Hortus Euergetis is an underwater garden that derives its name from the deceased Harmost Euergetia. |
| Initium Iani | Initium Iani is the entrance to the Passage of Ianus, the sole path between Machimos and Capitolium. Long ago, the Dragon Prince Scylla was sealed here by the joint efforts of Harmosts Boethius[3] and Euergetia.[4] |
| Portus Anticus | Portus Anticus was once the royal port of Remuria; it has since sunk into an underwater cavern. In its prime, it had a lofty belltower, and the sound of its bells could "pierce the barrier of ocean" to guide sailors home.[5][6] |
Points of Interest
Sea of Bygone Eras
Clivus Capitolinus
Quests
World Quests
Hidden Exploration Objectives
Notable Features
Exploration
- Autoharmonic Reed Pipes
- Potential Energy Orb
- Resonant Anemone
- Swaying Eels in the Coral Reefs
- Symphony
- The Auric Anglerfish!
- Washer Octopus
- Wonderchime Flowers and Allochromatic Anemones
Descriptions
The long-forgotten symphony sounds once more amidst the stronghold of dimmed glories and the sea-sunken ruins. A new chapter in a tale long-ended is about to be written...
Soundtracks
Gallery
Trivia
- The event menus for this area and the "Statue of Marble and Brass" were the first event menus to alternate between two different sound effects each time they were switched to.
Other Languages
| Language | Official Name | Literal Meaning |
|---|---|---|
| English | Sea of Bygone Eras | — |
| Chinese (Simplified) | 旧日之海 Jiùrì zhī Hǎi | Sea of the Olden Days |
| Chinese (Traditional) | 舊日之海 Jiùrì zhī Hǎi | |
| Japanese | 往日の海 Oujitsu no Umi | Sea of Days Past |
| Korean | 지난날의 바다 Jinannar-ui Bada | Sea of Days Past |
| Spanish | Mar de Antaño | Sea of Yesteryear |
| French | Mer d'antan | Sea of Yore |
| Russian | Море древности More drevnosti | Sea of Antiquity |
| Thai | Sea of Bygone Eras | — |
| Vietnamese | Biển Kỷ Nguyên Cũ | Sea of the Old Era |
| German | Meer der alten Tage | Sea of Olden Days |
| Indonesian | Sea of Bygone Eras | — |
| Portuguese | Mar Antigo | Ancient Sea |
| Turkish | Kadim Çağlar Denizi | Sea of Ancient Times |
| Italian | Mare dei Tempi Remoti | Sea of the Distant Times |
Change History
References
- ↑ NPC Dialogue: Scylla
- ↑ Weapon: Finale of the Deep
- ↑ World Quest, Canticles of Harmony: Second Movement - Prisoner in Shackles, Part 1: The Last Day of Remuria
- ↑ Interactable, Caesareum Palace: Ancient Engravings #2
- ↑ Fontaine, Sea of Bygone Eras, Viewpoint: Where Only the Bell Tolls
- ↑ Book: The History of the Decline and Fall of Remuria





















