Joint-eater: The Joint-eater, also known as Alp-luachra, is a cunning Celtic fairy that stealthily consumes the essential nourishment from its victims’ food.

Joint-eater - Serves as a cautionary figure in Irish folklore, embodying the mysterious and often malevolent nature of fairies

Joint-eater

Joint-eater - Serves as a cautionary figure in Irish folklore, embodying the mysterious and often malevolent nature of fairies

The Joint-eater, also known as Alp-luachra, is a cunning Celtic fairy that stealthily consumes the essential nourishment from its victims’ food. Often invisible, it manifests in the form of a newt near water sources and invades sleeping individuals. Its parasitic feeding leaves victims perpetually thin and serves as a warning in Irish folklore.

Origins & First Encounters

Source Texts & Tale Variants

Form & Powers

Regional Faces

Cultural Parallels

Legacy & Modern Evolution

Interesting Fact

An intriguing aspect of the Joint-eater is its consumption of the 'quintessence' of food, reflecting ancient beliefs in the life-sustaining essence of nourishment and the subtle influence of supernatural forces.

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Quick Creature Info

Associations:

Element: Water

Our Mythic Legendary Rating:

Ethereal Power
Ethereal Power rating

Also Sometimes Known As:

Just-halverAlp-luachra

Habitat:

Banks of streams and springsNatural water surroundingsOtherworldly realm associated with Celtic fairiesNatural water bodiesIrelandAppears when individuals sleep by a stream or spring in isolated countryside settingsNear springs, streams and water bodiesRural Irish landscapesCeltic countryside

Supernatural Powers:

InvisibilityShape-shiftingParasitic feeding (consumes the quintessence of food)

Physical Attributes:

Invisibility when dormantNewt-like physical form when activeSlenderAmphibian features in newt form

Abilities:

Crawls down the victim's mouth while they sleepAppears near springs or streamsStealth and elusivenessAbility to drain nourishment without detection

Behavior:

Mischievous, parasitic and malevolentOperates stealthily by lurking near water sources and invading sleeping individuals

Weaknesses:

Attraction to salt and water, which can lure it away

Lore:

Trickster and parasitic fairy that steals the nourishment of its victimsCelticServes as a cautionary figure in Irish folklore, embodying the mysterious and often malevolent nature of fairies

Related Creatures, Tales or Lore

References

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Curated by the Mythological Creatures Team (rev. May 2025)