Genshin Impact: How to Find All 6 Cipher Letters and Unlock The Hidden Achievement

Genshin Impact’s vibrant nation of Fontaine holds mysteries both ancient and technological. Today, we delve into one such secret: the Cipher Letters and the hidden achievement they unlock, “The Calendar of the Future Is Longer Than the Diary of the Past.”

Genshin Impact: How to Find All 6 Cipher Letters and Unlock The Hidden Achievement

This hidden quest rewards players with precious Primogems for their efforts. To claim them, you’ll need to decipher all six Cipher Letters scattered across the Liffey Region and Fontaine’s Research Institute. But be warned, these letters won’t reveal their secrets without a little help!

The key lies in the Energy Transfer Terminals scattered throughout your journey. These terminals, once activated with Ousia blocks, become your decryption devices. Simply interact with one while facing a Cipher Letter, and the hidden message will be revealed.

Here’s a map to guide you on your cipher-cracking adventure:

1. Material Office Ruins

Embark on the “Fontaine Research Institute Chronicles” World Quest to gain access to the ruins. Ascend to the second floor, and with the terminal activated, scan the symbol on the first floor to unveil the first letter.

2. Academy Assembly Hall

Teleport to the waypoint near the Experimental Field Generator and descend into the basement. Activate the terminal with an Ousia block and turn the viewfinder left to decipher the letter etched on the wall.

genshin impact Cipher Letters

3. Experimental Field Generator Assembly Hall Ruins

Travel south from the previous waypoint to the boss area. Climb up to find another terminal and unveil the hidden message beside it.

4. Central Laboratory

Head southeast of the Central Laboratory ruins, locate the stairs, and descend to the basement. Use Ousia blocks to unlock the terminals and scan the nearby letters.

5. Executive Office

Teleport to the Experimental Field Generator north waypoint and head west to reach the Executive Office ruins. Activate the terminals with Ousia attacks, vanquish the Clockwork Meks, and finally, interact with the terminals to reveal the hidden symbols.

6. Liffey Region

Teleport to the Statue of Seven and descend south into a passage containing the final terminal. Scan the letter to complete the puzzle.

By successfully deciphering all six Cipher Letters, you’ll not only have solved the intricate puzzle but also unlocked the coveted achievement “The Calendar of the Future Is Longer Than the Diary of the Past.” As a reward for your intellectual prowess, you’ll receive precious Primogems to fuel your journey in Teyvat.

So, Genshin Impact Travelers, put your problem-solving skills to the test and embark on this exciting adventure! The secrets of Fontaine await, and the rewards are certainly worth the effort.

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