In the game Atelier Yumia: The Alchemist of Memories & the Envisioned Land, players will encounter numerous chests as they delve into exploration. While some chests can easily be found and opened, others require a bit more effort. These tricky chests won’t yield their treasures unless players have the skill to pick the lock or seal them open first.
In the enchanting world of Atelier Yumia, as a curious adventurer like myself, I’m thrilled to share my insights on how to unlock the mysterious chest at Dux Lighthouse. This guide will walk you through the steps to unseal the chest and lay your hands on the precious treasures it hides!
How to Open the Sealed Chest at Dux Lighthouse in Atelier Yumia
Adventurers are likely to discover a locked chest within the Manabound Area 1, near Dux Lighthouse during their exploration. This chest, adorned with a vibrant seal, is situated on the ground floor of a small building east of the lighthouse. Its eye-catching appearance should attract most players as it contains scrap that can be used to construct a Repair Kit, essential for gaining access to the lighthouse.
To unlock the closed treasure box at Dux Lighthouse in Atelier Yumia: The Alchemist of Memories & the Envisioned Land, you need to trigger the concealed levers within the structure using ranged attacks.
Where to Find the Switches at Dux Lighthouse in Atelier Yumia
The switches might go unnoticed due to certain parts within the building being rather dimly lit. However, the first switch is strategically placed right above the locked box, up on the wall. To activate it, players need to press the Aim button followed by shooting at it until it changes color to blue.
Afterward, players should leap onto the vertical surface and follow it up with a second jump. This will allow them to access the level above, where the remaining two switches reside.

On the uppermost level, you’ll find two shuttered windows. Above each one, there is a switch. Players need to shoot these switches from afar, and they will change color to blue. When all three have been activated, the locked chest above them will open, allowing players to approach it and claim their prize.
Reward for Opening the Sealed Chest at Dux Lighthouse in Atelier Yumia
The key to unlocking Treasure Troves lies within a chest on the ground floor of Dux Lighthouse. This key can grant you access to hidden treasures in different spots.
To maximize their limited supply, players should carefully employ the Unique Treasure Key, as it can only be utilized on a single occasion.
Additionally, on a higher level within the structure, you’ll find a chest that players need to pick the lock to open. Inside this locked container lies the Wealthy Grimoire.
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2025-03-22 21:02