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Genshin Impact
Drusus's Riddle and Sumeru Bulletin Board Puzzle Guide
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Here's how to solve Drusus's Riddle and the Bulletin Board Puzzle in Sumeru City for Genshin Impact. See the unlock location, riddle answers, and rewards here!
How to Unlock Drusus's Riddle from the Bulletin Board in Sumeru
Drusus's Riddle Puzzle Prerequisites
Complete both first and second acts of the Sumeru Archon Quest to unlock the puzzle.
Chapter 3: Act 2 Archon Quest Guide
Where to Unlock
To start Drusus's Riddle, investigate the bulletin board below the Adventurers' Guild in Sumeru City. Interacting with the billboard will give you the first puzzle. Kamal will also talk to you afterwards.
Drusus's Riddle in Sumeru's Bulletin Board Locations
All Locations for Drusus's Riddle
The answers to the riddles are found in the docks, the Sabzeruz Festival stage, the House of Daena, the pond, and outside Sanctuary of Surasthana.
| Click to a section! | ||
|---|---|---|
| Riddle 1 | Riddle 2 | Riddle 3 |
| Riddle 4 | Riddle 5 | |
How to Solve the Bulletin Board Riddles
Open floating boxes and treasure chests as hinted by the Riddle Notes in Sumeru City to solve Drusus's Bulletin Board riddles.
Riddle 1: In the light of alternating day cycles...
"In the light of alternating day cycles, one can see the homeward figure of the lighthouse on the bridge."
Answer to Riddle 1 is located underneath the docks in Sumeru. Open the small floating box to find the answer to the "In the light of alternating day cycles" riddle.
Riddle 2: A mirror not made of glass reflects every drama
"A mirror not made of glass reflects every drama."
Answer to Riddle 2 is located on the fountain in Sumeru City. Open the small floating box under the bridge to find the answer to the "A mirror not made of glass reflects every drama" riddle.
How to Get to the Fountain
 |
 |
To get to the fountain, teleport to the Waypoint on the east then drop down. The entrance to the fountain should be right in front of the Sumeru Reputation area. This is the area where Nilou danced during the Archon Quest!
Riddle 3: The sole path to knowledge
"The sole path to knowledge."
Answer to Riddle 3 is located inside House of Daena in the Akademiya. Go inside the library, then immediately look underneath the bridge to find the Treasure Chest for the "The sole path to knowledge" riddle.
How to Get Inside House of Daena
To get inside the library in the Akademiya, start from the teleport waypoint in the east. Simply go up the stairs and go straight until you see the door, then head inside. The treasure chest can be found immediately as you enter!
Riddle 4: The flowers in the pond are blooming...
"The flowers in the pond are blooming, with watery pearls there lingering."
Answer to Riddle 4 is located in the small pond underneath the Sanctuary of Surasthana. Simply teleport to the waypoint then immediately drop down to the pond. Open the floating box in the edge of the water to find the answer to the riddle "The flowers in the pond are blooming."
Riddle 5: Please go to the front door of the Temple of Knowledge at noon
"Please go to the front door of the Temple of Knowledge at noon."
Simply talk to Drasus west of Sumeru City to find the answer to Riddle 5. The Temple of Knowledge is the Sanctuary of Sarasthana, and you can only find him during noon. Change the time around 12:00 PM to talk to him and complete the puzzle!
Drusus's Riddle Quest
Access to the Treasure of Wisdom Quest
Drusus's Riddle unocks the quest Treasure of Wisdom: A New Plan. After waiting for server reset, talk to Drusus, who is found on the land beside the docks, to start the quest.
Treasure of Wisdom: A New Plan
Sumeru Bulletin Board Riddle Rewards
Puzzle Rewards
| Puzzle Rewards | ||
|---|---|---|
 Hero's Wit
x3 |
 Mora
x21500 |
|
"I've Got It! I've Got It!" Achievement
 |
"I've Got It! I've Got It!" |
| Find and solve a series of riddles in Sumeru City. |
Talkin to Drusus's after completing the puzzles rewards you with the "I've Got It! I've Got It!" Achievement, which gives you 5 Primogems.
Genshin Impact Related Guides
Guides to Sumeru Areas
| Sumeru Area Guides | |
|---|---|
 Rainforest Area |
 Desert Area |
Guide to Desert Regions
| Sumeru Desert Guides | ||
|---|---|---|
 The Great Red Sand |
 Desert of Hadramaveth |
 Girdle of the Sands |
Guides to Important Sumeru Features
| Notable Sumeru Guides | |
|---|---|
| Dendroculus | Craftable Weapons |
| Tree of Dreams | Commission Unlock |
| Reputation | Shrine of Depths |
| Remarkable Chests | |
Guides to Sumeru Rainforest Domains
| Sumeru Domain Guides | |
|---|---|
| Spire of Solitary Enlightenment | Tower of Abject Pride |
| Steeple of Ignorance | Under the Umbrella's Shade |
| Fragment of Childhood Dreams | The Coordinates of Sun and Rain |
| The Dark Valley | |
Guides to Sumeru Rainforest Quests
Sumeru Rainforest Puzzles and Features
Enemies in the Sumeru Rainforest
| Enemy and Boss Guides | |||
|---|---|---|---|
 Eremites |
 Aeonblight Drake
|
 Electro Regisvine |
 Jadeplume Terrorshroom |
 Shroom-kin |
 Ruin Drake |
||
All Interactive Map Guides
Comment
3 
Anonymous almost 2 years
Anonymous almost 2 yearsThis YT video might help: https://youtu.be/H_Yfi0dwkkg?si=p5oSCq9EK2_CgugR
Author
Drusus's Riddle and Sumeru Bulletin Board Puzzle Guide
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I think I already got the box underneath Sanctuary of Surasthana and now im stuck 😥