Hidden within a dwarven aqueduct, a silver skeleton perpetually dissolves and regenerates within the acid of a gelatinous cube. This is the grim fate of Eludecia, the succubus paladin, and the central mystery of Legend of the Silver Skeleton. This D&D 3.5 adventure for 6th-level characters is a unique blend of high-concept roleplaying, elaborate deathtraps, and eccentric NPCs. Originally tied to a Wizards of the Coast “Creature Competition,” it remains one of the most memorable modules of the late 3.5 era.
Introduction: Respite at the Sacred Stone
The adventure begins at the Hostel of the Sacred Stone, a squat mountain inn run by a retired dwarven dungeon delver named Madge “Fingers” Madgerson. The hostel is famous for its beer and its proximity to an ancient dwarven aqueduct.
What makes the hostel a standout location is its “Expertise” in minor magic. Madge brews “House Specials” that function as experimental potions with random effects—ranging from Haste to sudden, excessive hair growth. Furthermore, the hostel houses the reliquaries of Saint Sonnlinor Stoneheart, a converted stone giant paladin. These items provide genuine mechanical benefits, such as Remove Disease and Cure Critical Wounds, making the hostel a perfect sanctuary for high-level parties.
Narrative Core: The Tragedy of Eludecia
The “Silver Skeleton” isn’t an undead monster; it is Eludecia, a succubus who was converted to good by her angelic lover. Her backstory is epic: she helped banish a powerful balor, only to be ambushed by the marilith Aishapra.
The marilith didn’t kill her. Instead, she used magic to turn Eludecia’s bones into silver and trapped her within a Corrupted Gelatinous Cube. Because Eludecia wears a Ring of Regeneration, she is in a state of eternal agony—her flesh regrows only to be eaten away by the cube’s acid. Freeing her is not just a quest for gold; it is an act of high-stakes holy rescue.
Tactical Breakdown: The Kobold Warrens and the Lab
The adventure is divided into two distinct parts: the rescue in the aqueduct and the infiltration of the trapmaster’s laboratory.
1. The Trapmaster’s Legacy
The aqueduct is currently occupied by a tribe of kobolds who are the descendants of the legendary trapmaster Yin Yensine.
- The Lake (Area 2): An artificial lake filled with Amphibious Chokers. These creatures try to drag players to the bottom of 15-foot pits to drown them.
- The Perilous Corridor (Area 8): A hallway themed after mind flayers. It features Stun Ray Traps that leave characters paralyzed while Corrupted Gelatinous Cubes (Huge-sized aberrations with fast healing) mow them down.
2. The Gilded Throne (Area 11)
The kobold chieftain, Chief Blas, sits upon an impossibly lavish throne of gold and jewels.
- The Twist: The throne is a permanent illusion. Blas is a puppet of the undead Yin Yensine, who watches the party through the chieftain’s eyes.
- Negotiation: Unlike many 3.5 modules, this encounter encourages diplomacy. Players can bribe, intimidate, or negotiate with the chieftain to gain access to the deeper laboratory.
3. The Doorway of the Beholder (Area 16)
This is the adventure’s primary mechanical puzzle. A stone beholder blocks the way, and its ten eyes must be filled with specific gemstones hidden throughout the aqueduct (Sapphire, Emerald, Diamond, etc.). If the players approach without the correct “answer,” the doorway fires actual beholder eye rays—including Disintegrate, Flesh to Stone, and Finger of Death.
The Final Boss: Yin Yensine (EL 9)
Deep in the laboratory (Area 18), the party finds a floating platform where the mummified Yin Yensine resides.
- The Clockwork Tarrasque: Before reaching Yin, players must face a Huge Animated Object styled after a tarrasque.
- The Mummified Sorcerer: Yin is a Kobold Sorcerer 6 (formerly level 13). He drips preserving fluid and wears a Clockwork Mask of the Mind Flayer, which allows him to use tentacle attacks to extract the brains of his victims. He fights from a Desecrated platform, making him incredibly hard to turn.
Mechanics & Hazards: Eludecia’s Gauntlets
The ultimate prize of Part 2 is Eludecia’s Gauntlets. These are a rare item that allows an Evil-aligned creature (or a converted creature with the Evil subtype) to wield Holy weapons without suffering negative levels. This is a game-changer for parties with complex moral alignments or redeemed NPCs.
System Conversion: 3.5 to 5e and OSR
This high-level module requires careful scaling for modern systems.
For 5th Edition (5e):
- Yin Yensine: Use the Mummy Lord stat block but reduce the legendary actions and emphasize his Sorcerer spellcasting.
- The Beholder Door: Set the DC for the saving throws of the eye rays to DC 15-17.
- Corrupted Cubes: Use the standard Gelatinous Cube but increase its size to Huge and give it a Fast Healing 5 trait.
For OSR (Shadowdark/Old School Essentials):
- The “Finger of Death” ray from the Beholder door is an instant kill. Ensure the players have found the kobold journal in Area 6 to understand the gem requirement.
GM Tips: The Reveal
- Play up the Legend: Throughout the hostel stay, have different NPCs tell conflicting stories of the Silver Skeleton. Some think it’s a ghost; others think it’s a treasure. This makes the reveal of Eludecia much more impactful.
- The Mysterious Guest: Use the marilith Aishapra (disguised as a human) to hire the PCs. She wants them to breach the tomb just to see if it’s possible. Her betrayal in the finale, summoning 4d10 dretches, provides a chaotic and memorable ending.
- Kobold Roleplay: If the players use the Doorway of the Kobold (Area 12), they are polymorphed into kobolds. Encourage them to roleplay their new forms, possibly using it to infiltrate the kitchen (Area 14) and gather intel.
Conclusion: A Masterpiece of Dungeon Design
Legend of the Silver Skeleton is more than a crawl; it’s a living story. It provides players with a permanent base (the hostel), a powerful ally (Eludecia), and some of the most creative traps in the D20 library. At $0.99 on DriveThruRPG, it is an essential purchase for any DM who wants to challenge their players with something more meaningful than a standard monster bash.
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