Nidhogg#

• Ancient shadow dragon sealed in the Shadowfell by the Order of Seasons during a great war centuries ago
• Led undead legions that threatened to drown the Feywild in shadow before he was bound
• Hates the Dusk Lord and anyone marked by the Dusk Lord or the Arbiter
• His imprisonment is maintained by two forces: the elven leyline barrier (the cage) and Vidrir’s divine power woven into it (the lock)
• Cannot be easily destroyed — even gods cannot readily unmake an ancient shadow dragon
• Described as ancient, cunning, and was at the height of his power when sealed

The Seal#

• The barrier is anchored by four leyline temples, one in each seasonal domain of the Fey Courts (Winter, Autumn, Summer, Spring)
• Vidrir (Odin in disguise) wove a portion of his divine essence into the barrier — his power has been actively maintaining the seal for centuries
• As the leyline barrier weakens, more weight falls on Vidrir’s shoulders
• If the seal breaks, Nidhogg escapes with centuries of rage, cult allies, and the power to spread darkness across multiple realms

Cult of the Eclipse#

• The Cult of the Eclipse serves Nidhogg’s goals, seeking to free him by corrupting the leyline temples
• Serenity (night hag) cursed the village of Tannis to earn Nidhogg’s favor, communing with him through a seeing stone (crystal orb)
• The Weaver led the cult and planned to weaken the leyline network to release Nidhogg — though his original interest was in using Nidhogg’s image for his illusions, not serving the dragon directly; he was killed by Trius at the ancient battlefield
• Xolthos publicly proclaimed Nidhogg’s return at the Autumn Court festival
• The cult created Hollow Thresholds — tears in reality that siphon leyline power and weaken the barrier

The Weaver’s Illusion#

• The Weaver conjured an illusion of Nidhogg so convincing and fearsome that the villagers of Shad’s village literally died of fright
• The Weaver was not originally interested in freeing Nidhogg — he thought the dragon’s image would make for a “fantastic illusion” — but his ambitions grew to unraveling the barrier entirely

The Failed Ritual#

• The Weaver executed his summoning ritual at the ancient battlefield where Nidhogg was sealed under a moonless sky, erecting a fifteen-foot portal pulsing with the same runes from Nidhogg’s original sealing
• The ritual advanced through its early phases despite the party’s interference — the outer ring solidified and the portal swelled into its expanded state when Skreek was removed from the battlefield by the Weaver’s Maze spell
• The Weaver was killed by Trius before the ritual could complete — her Moonbeam spell passed through him like a blade through smoke; his body crumpled cold and still
• The ritual died with him. Nidhogg did not walk free that night. He remains sealed in the Shadowfell.
• The immediate cult threat has been eliminated with the Weaver’s death, but the leyline barrier remains damaged from years of sabotage and will require significant work to repair

Historical Context#

• Lord Farkris of the Autumn Court regretted failing to make peace with Nidhogg centuries ago
• The Order of Seasons — founded by Vidrir/Odin — were the guardians who fought Nidhogg’s forces. Most of them died buying time for the seal to be completed
• The Arbiter was not involved in the original sealing but recognizes Nidhogg as an enemy of the Dusk Lord
• Nidhogg may sense Vidrir’s essence in the seal, but the Shadowfell separates them — he cannot reach through the barrier… yet