Vannia's Drowned Crypt

Where the lake took the champion, the dead kept the vow.

7 roomsA dark and dank dungeon crypt and temple of a forgotten champion to the Godess Vannia Lady of The Lake.medium

This drowned crypt-temple was built to honor a forgotten champion of Vannia, Lady of the Lake, then sealed after the champion's death turned to blight. Now the lower halls are half-flooded, half-buried, and haunted by those who refuse to let the vow rest. The deeper chambers hold the champion's final rites, but the water has learned to hunger there.

Cold water drips through cracked stone, and the air carries old incense, wet earth, and the faint tang of rusted iron. Torchlight gutters against black mildew and salt-stained carvings, while distant chanting seems to rise and fall like waves under the floor. Every corridor feels watched, as if the lake itself remembers the dead here.

☠ Threat

The champion interred below has risen as a wrathful, water-bound guardian, twisted by an oath it can no longer complete. Its sorrow fuels the undead in the halls, and the temple's stagnant spring magnifies every death, making the crypt increasingly hostile the deeper intruders go.

History

Centuries ago, a lake-born knight sworn to Vannia defended a sacred crossing and won renown for returning the drowned to shore. After the champion died in the last battle, the shrine-priests interred the body beneath a temple crypt and sealed the lower vaults when miracles curdled into hauntings. Over time, the waters rose, the prayers faded, and the place became a forgotten warning.

Encounter Table

CR
1/2CR
Drain Feedersx1d2

A pair of drowned rats or a lone corpse-hound slips through broken drains, drawn by warmth and blood.

1CR
Restless Acolytex1

A soaked acolyte ghost moans fragments of prayer and lashes out at the living with cold hands.

2CR
Drowned Sentinelx1

A rusted temple guard patrols the corridors in silence, stopping to listen at doors before striking.

1/4CR
Crypt Leechesx1 swarm

A swarm of pale leeches writhes through standing water and climbs boots in a hungry mass.

Rumours & Whispers

1

They say the crypt was flooded on purpose because something in the chapel would not stay dead.

2

Old fishers claim blue lights move beneath the lake on moonless nights and gather at the ruins.

3

A priest in town swears the champion still guards a treasure, but only if you speak the right prayer.

4

People who camp near the ruins hear armor walking under the water after midnight.

Quest Hooks

1
The Missing Rowersrescue

Quest giver: Mara, the ferryman's widow

A village by the lake has lost three boatmen, and each was last seen rowing toward the flooded ruins at dusk.

120 gp and a silver prayer medallion

2
Restore the Oathrecovery

Quest giver: Brother Halven

A priest of Vannia believes the old shrine can still be redeemed if someone retrieves the champion's broken relics and performs the lost rite.

Access to temple healing and 150 gp

3
The Storm's Deadinvestigation

Quest giver: Sheriff Tovin

Undead have begun appearing on the lakeshore after storms, and tracks lead back to the crypt's eastern drain.

200 gp and local favors

Corridor Notes

Between Room 2 and Room 3

Shallow rills of black water run along the floor, forcing travelers to step carefully or leave bright splashes behind.

Between Room 3 and Room 5

Moss-choked saint niches line the walls, each holding a broken votive bowl filled with stagnant water.

Between Room 5 and Room 6

A submerged section of hall has cracked open, releasing cold mist and muffling footsteps.

Between Room 6 and Room 8

Chiseled prayer bands repeat Vannia's blessings, but several lines have been scratched out by angry claws.

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