Follow an ancient map into the frozen wilderness and uncover the tragic secrets of a kingdom trapped in eternal winter.
Welcome to “The Icebound Keep” 5E adventure! Within these pages, you’ll discover everything necessary to embark on this thrilling quest, complete with detailed descriptions of locations, encounters, NPCs and stat blocks, maps, and handouts.
This adventure also features a versatile and scalable system, allowing Game Masters to easily adjust the difficulty and complexity of encounters to suit their players’ preferences and skill levels. Whether you have a party of advanced players or beginners, you can tailor the challenges to ensure an exciting and engaging experience for everyone involved. The scalable system guides modifying creature statistics, making it simple to customize the adventure to fit your party’s level.
In “The Icebound Keep,” a party of 4-6 characters (levels 3-5) follows an ancient map discovered in the Frostbite Hollow mine to a cursed castle deep in the frozen wilderness. Centuries ago, King Eldric invoked a powerful artifact called the Heart of Winter to control the weather, inadvertently dooming his kingdom to eternal frost and trapping himself and his people as spectral sentinels. The adventure blends wilderness survival, dungeon exploration, and puzzle-solving across four parts, with multiple approaches to the final confrontation — combat, diplomacy, or a combination of both.
Part 1: The Journey to the Keep
The players depart from Frostbite Hollow and may hire the experienced hunter Sven as a guide for the two-day trek through a punishing frozen wilderness. A detailed wilderness survival system governs blizzards, avalanches, whiteouts, frigid waters, and piercing chill. A randomized Journey Event Table (rolled twice daily) adds dynamic challenges including Winter Wolf ambushes, ice mirages, glacial tremors, and a Frostclaw Wendigo encounter, with Sven’s presence providing meaningful advantages at each event.
Part 2: Arrival at the Icebound Keep
The players reach the imposing castle gates, where a day/night arrival system shapes their experience. A moonlit puzzle at the Frozen Gates — involving three ice sculptures of a bear, a raven, and a willow — must be solved to enter peacefully; brute force awakens dormant Frost Wisps. Sven remains outside camp, waiting up to three days for their return.
Part 3: Within the Icebound Keep
The players explore eight rooms of the frost-encrusted castle, each steeped in the kingdom’s tragic history. Key encounters and locations include the Frozen Hall with interactive spectral sentinels sharing the kingdom’s lore, a banquet room guarded by a Crystal Serpent, an Enchanted Library with a book-sorting puzzle tended by a spectral librarian, a Throne Room with a dangerous Ice Orb and escalating cold damage, the Queen’s Private Quarters where a vital pendant can be obtained, the King’s Private Quarters containing the journal of King Eldric, and a Ritual Chamber with further lore and hazards.
Part 4: The Final Stand — Spectral King and the Heart of Winter
Deep in the Icebound Sanctum, the players confront the Spectral King Eldric and his Ethereal Guards before the Heart of Winter artifact. The encounter offers a meaningful choice: fight or attempt diplomacy by presenting the Queen’s Pendant. Success with the queen’s intervention allows the players to bypass combat and instead attempt the “Echoes of the Past” puzzle, activating five runes in the correct chronological sequence based on lore gathered throughout the Keep. Failure carries serious consequences, while success lifts the curse, freeing the kingdom’s spirits to finally rest in peace.
Release Date: 2023
Format: Digital (PDF)
Items Included
- The Icebound Keep 5E (PDF)
- A B&W Printer-Friendly Version (PDF)
- Maps
- Illustrations (Generated with Midjourney)
- Monster Stat Blocks
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