Riddles of the Cyclopes - A three to four-hour adventure for 5th-level characters

Oct 6, 2026

Riddles of the Cyclopes is a Dungeons & Dragons 5th-level adventure for four to six characters, playable as a standalone scenario or within an ongoing campaign. It centers on the Blind King, Aómmatos, who has cursed an isle and lures travelers into a deadly labyrinth of puzzles. Surviving adventurers face a contest of riddles, where failure triggers transformation into hideous one-eyed monsters, while setting-specific hooks place the story in Eberron, Forgotten Realms, and Theros.

LanguageEnglish

CategoryStory & Novel

FormatPDF

Pages9

Reading Time14 min

AccessFree to download

Introduction

Background

Adventure Overview

Part 1. Hidden Secrets

Part 2. Storm Clouds

Part 3. The Labyrinth

Part 4. Contest of Riddles

Using this Adventure

Adventure Hooks

Placing the Adventure

Eberron

Forgotten Realms

Theros

Riddles ofthe Cyclopes The Blind King reigns over the Isle of the Cyclopes, cursing the travelers that pass through his realm. Those that fail to beat him in a contest of riddles are transformed into hideous one-eyed monsters. Will you survive the challenge in the labyrinth of riddles and recover a secret from the mysterious isle A three to four-hour adventure for 5th-level characters by BUM LEE All Artwork: Wizards of the Coast DMs Guild Creator Resource Longship Map: Bum Lee (based on the Longship from Ghosts of Saltmarsh) Special Thanks: Akatosh, Ashley, Craig, Hugo, Jamie, John, Joonpyeong, Liezel, Lindsay, Louis, Miladeshe, Raphael, Suhwan, Tom DUNGEONS & DRAGONS, D&D, Wizards of the Coast, Forgotten Realms, Ravenloft, Eberron, the dragon ampersand, Ravnica and all other Wizards of the Coast product names, and their respective logos are trademarks of Wizards of the Coast in the USA and other countries. This work contains material that is copyright Wizards of the Coast and/or other authors. Such material is used with permission under the Community Content Agreement for Dungeon Masters Guild. All other original material in this work is copyright 2020 by Bum Lee and published under the Community Content Agreement for Dungeon Masters Guild. Introduction Riddles ofthe Cyclopes is an adventure for four to six characters of 5th level. It can be played as a standalone adventure or as part of an ongoing campaign. It includes a collection of riddles that can be adapted and used independently. This document also includes setting-speciﬁc adventure hooks and epilogues that can be used to easily place this adventure in the Eberron, Forgotten Realms, and Theros campaign settings. Background In the land of the blind, the one-eyed man is king. The Isle of the Cyclopes was ruled by a powerful cyclops mage whose great eye could see far and wide. He named himself king of the isle and enchanted its shores with magical wards, proclaiming that no one may pass through his waters without paying tribute. One day, a legendary mariner landed on the isle and came before the king empty-handed. When the king demanded her name, she called herself No One. The magical wards were tricked into allowing the mariner and her vessel to pass safely beyond the isle. The king was ﬁlled with shame and rage at being deceived. Since that day, he became obsessed with riddles and swore that he would never again be fooled. He conﬁned himself to a subterranean cavern where he grew blind and descended into madness. In time, he even forgot his own name and called himself Aómmatos, the Sightless King. Since then, the isle has been cursed and haunted by one-eyed monsters that serve the will of Aómmatos. These creatures ambush travelers who pass near the isle and use their eldritch powers to steal their darkest secrets. The desperate victims are lured into a labyrinth ﬁlled with deadly puzzles. In the deepest part of the maze, Aómmatos awaits those who survive the labyrinth and challenges them to a contest of riddles. Those that fail to answer correctly are transformed into hideous one-eyed monsters. 3 Adventure Overview | Part 1. Hidden Secrets
The characters are asked to seek out a mysterious isle and discover the truth regarding a legendary mariner.
Part 2. Storm Clouds
The vessel on which the characters make their voyage is beset by storms and monsters from the isle.
Part 3. The Labyrinth
The characters must navigate a labyrinth of puzzlesand arrive at the cave where Aómmatos awaits.
Part 4. Contest of Riddles
The characters confront Aómmatos who challenges them to a contest of riddles.
Using this Adventure | | --- | | To run this adventure, you will need the D&D ﬁfth edition Player’s Guide, Monster Manual, and Dungeon Master’s Guide. The names of monsters and magic items in this adventure contain URL links to online stat blocks and descriptions.
Adventure Hooks | | The characters are asked by a wealt

FAQs

What is the overall premise of this adventure?

The Blind King, Aómmatos, has cursed an isle and challenges travelers with a labyrinth of puzzles and a contest of riddles. Those who fail are transformed into hideous one-eyed monsters.

How long is the adventure intended to take and who is it for?

It is designed as a three to four-hour adventure for 5th-level characters, meant for four to six characters.

Can the adventure be used across different campaign settings?

Yes. The document includes setting-specific adventure hooks and epilogues that can place the adventure in Eberron, Forgotten Realms, and Theros.

Oct 6, 2026

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