Drusus's Riddle and Sumeru Bulletin Board Puzzle Guide

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.

Sumeru Region Map Guide

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.

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.

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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!

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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!

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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."

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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!

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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

Sumeru Region Map Guide

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

Guides to Sumeru Rainforest Domains

All Sumeru Domains

Guides to Sumeru Rainforest Quests

All Sumeru World Quests

Sumeru Rainforest Puzzles and Features

Guides for Sumeru Features
Dendrograna and Dendrogranum	The Withering Zones and Decay
Mysterious Clipboard	Aranara Locations
Forest Adventure Journal Chapters	Underwater Waypoint
Tri-Lakshana Creature	Tri-Yana Seeds
Four-Leaf Sigils and Clusterleaves of Cultivation	Seed Mirrors
Stone Pillar Seals	Strange Energy Extraction Device
Eremite Camp Locations	Floating Dendro Puzzle
Arrow Rune Puzzle	Trial of the Phantasmal Gate
Nurseries in the Wild	Strange Parchment
Broken Dendro Monuments	Drusus's Bulletin Board Riddle
Lost Energy Blocks	Vanarana Luxurious Chest
Shrine of Depths

Enemies in the Sumeru Rainforest

Enemy and Boss Guides
Eremites	Aeonblight Drake	Electro Regisvine	Jadeplume Terrorshroom
Shroom-kin	Ruin Drake

All Interactive Map Guides

All Interactive Map Guides