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Purchase Nostoi Region & Sea of Bygone Eras Bundle - Both Fontaine Expansions, Fully Cleared
Version 4.6 added two explorable regions at once: Nostoi, which contains the town of Petrichor and the Faded Castle, and the Sea of Bygone Eras, a separate underwater map unlocked during the Canticles of Harmony World Quest chain.
Nostoi also introduces the Ancient Autoharmonic Music Box, an ancient music box found inside the Faded Castle that grants the power of the Symphony for exploration and rewards Primogems as you collect each of the six available scores. It is one of the mechanics that makes exploration in the Faded Castle feel distinct from anything else in Fontaine.
The Sea of Bygone Eras is a large underwater region with multiple vertical layers, most of which are locked behind quest progression. It contains 46 Hydroculi and two Shrines of Depths alongside chests, riddles and the ruins of the ancient Kingdom of Remuria. Navigating it properly without the World Quests completed first means walking straight into locked areas and missing entire sections of the map.
KingBoost handles both regions via piloted account sharing. Every collectible, riddle, chest and World Quest is completed and all Primogems and Adventure EXP earned stay on your account. Chenyu Vale 100% Exploration is also available as an add-on at checkout.
Act 3 of Archon Quest Prologue — "Song of the Dragon and Freedom" completed
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Nostoi Region is the overworld area with Petrichor and the Faded Castle. Sea of Bygone Eras is a separate underwater map located beneath Nostoi that requires completing the Canticles of Harmony World Quest to unlock.
Multiple vertical layers of the Sea of Bygone Eras are locked behind quest progression. Without completing the Canticles of Harmony chain you cannot access most of the map at all.
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$8.79